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CVE-2020-17049

Description
Kerberos Security Feature Bypass Vulnerability
  • Risk: 90
CVSSv3
    CVSSv2

      System updates

      HotfixDescriptionSeverityRiskCreated at
      KB5001337 April 13, 2021—KB5001337 (OS Build 18363.1500)Security UpdatesCRITICAL902021-04-12T00:00:00+00:00
      KB5000847 March 9, 2021—KB5000847 (Monthly Rollup)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB5004294 July 13, 2021—KB5004294 (Monthly Rollup)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB4586834 November 10, 2020—KB4586834 (Monthly Rollup)Security UpdatesCRITICAL902020-11-06T00:00:00+00:00
      KB5004298 July 13, 2021—KB5004298 (Monthly Rollup)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB4601380 February 16, 2021—KB4601380 (OS Build 18363.1411) PreviewUpdatesUNKNOWN52021-02-16T00:00:00+00:00
      KB4598279 January 12, 2021—KB4598279 (Monthly Rollup)Security UpdatesCRITICAL902021-01-11T00:00:00+00:00
      KB4598298 January 21, 2021—KB4598298 (OS Build 18363.1350) PreviewUpdatesUNKNOWN52021-01-21T00:00:00+00:00
      KB4586808 November 10, 2020—KB4586808 (Security-only update)Security UpdatesCRITICAL902020-11-06T00:00:00+00:00
      KB5000841 March 9, 2021—KB5000841 (Monthly Rollup)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB5004285 July 13, 2021—KB5004285 (Security-only update)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB4598278 January 12, 2021—KB4598278 (Monthly Rollup)Security UpdatesCRITICAL902021-01-11T00:00:00+00:00
      KB4594438 Kerberos authentication and ticket renewal issues on Windows Server 2012 - Out-of-bandUpdatesUNKNOWN52020-11-17T00:00:00+00:00
      KB5000840 March 9, 2021—KB5000840 (Security-only update)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB4594443 November 19, 2020—KB4594443 (OS Builds 18362.1199 and 18363.1199) Out-of-bandUpdatesUNKNOWN52020-11-18T00:00:00+00:00
      KB5000848 March 9, 2021—KB5000848 (Monthly Rollup)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB4586786 November 10, 2020—KB4586786 (OS Builds 18362.1198 and 18363.1198) - EXPIREDSecurity UpdatesCRITICAL902020-11-06T00:00:00+00:00
      KB4598285 January 12, 2021—KB4598285 (Monthly Rollup)Security UpdatesCRITICAL902021-01-11T00:00:00+00:00
      KB4586845 November 10, 2020—KB4586845 (Monthly Rollup)Security UpdatesCRITICAL902020-11-06T00:00:00+00:00
      KB5000853 March 9, 2021—KB5000853 (Security-only update)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB4586823 November 10, 2020—KB4586823 (Security-only update)Security UpdatesCRITICAL902020-11-06T00:00:00+00:00
      KB5001342 April 13, 2021—KB5001342 (OS Build 17763.1879)Security UpdatesCRITICAL902021-04-12T00:00:00+00:00
      KB5004244 July 13, 2021—KB5004244 (OS Build 17763.2061)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB4586781 November 10, 2020—KB4586781 (OS Builds 19041.630 and 19042.630)Security UpdatesUNKNOWN902020-11-06T00:00:00+00:00
      KB5004237 July 13, 2021—KB5004237 (OS Builds 19041.1110, 19042.1110, and 19043.1110)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB4598288 January 12, 2021—KB4598288 (Monthly Rollup)Security UpdatesCRITICAL902021-01-11T00:00:00+00:00
      KB4598243 January 12, 2021—KB4598243 (OS Build 14393.4169) - EXPIREDLearn more about update KB4598243, including improvements and fixes, any known issues, and how to get the update.UNKNOWN32021-08-31T22:58:17+00:00
      KB5004307 July 13, 2021—KB5004307 (Security-only update)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB5001330 April 13, 2021—KB5001330 (OS Builds 19041.928 and 19042.928)Security UpdatesCRITICAL902021-04-12T00:00:00+00:00
      KB5004238 July 13, 2021—KB5004238 (OS Build 14393.4530)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB5004289 July 13, 2021—KB5004289 (Monthly Rollup)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB5000851 March 9, 2021—KB5000851 (Security-only update)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB5001347 April 13, 2021—KB5001347 (OS Build 14393.4350)Security UpdatesCRITICAL902021-04-12T00:00:00+00:00
      KB5004302 July 13, 2021—KB5004302 (Security-only update)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB4586793 November 10, 2020—KB4586793 (OS Build 17763.1577) - EXPIREDSecurity UpdatesCRITICAL902020-11-06T00:00:00+00:00
      KB5000856 March 9, 2021—KB5000856 (Security-only update)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB5000803 March 9, 2021—KB5000803 (OS Build 14393.4283)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB4586830 November 10, 2020—KB4586830 (OS Build 14393.4046) - EXPIREDLearn more about update KB4586830, including improvements and fixes, any known issues, and how to get the update.UNKNOWN32021-09-01T02:33:01+00:00
      KB5000844 March 9, 2021—KB5000844 (Monthly Rollup)Security UpdatesCRITICAL902021-03-08T00:00:00+00:00
      KB5004299 July 13, 2021—KB5004299 (Security-only update)Security UpdatesCRITICAL902021-07-12T00:00:00+00:00
      KB5004305 July 13, 2021—KB5004305 (Monthly Rollup)Security UpdatesCRITICAL902021-07-16T00:00:00+00:00
      KB4594441 November 19, 2020—KB4594441 (OS Build 14393.4048) Out-of-bandUpdatesUNKNOWN52020-11-18T00:00:00+00:00
      KB4594440 November 19, 2020—KB4594440 (OS Builds 19041.631 and 19042.631) Out-of-bandUpdatesUNKNOWN52020-11-18T00:00:00+00:00
      KB4601383 February 16, 2021-KB4601383 (OS Build 17763.1790) PreviewUpdatesUNKNOWN52021-02-16T00:00:00+00:00
      KB4598296 January 21, 2021-KB4598296 (OS Build 17763.1728) PreviewUpdatesUNKNOWN52021-01-21T00:00:00+00:00
      KB4594442 November 17, 2020—KB4594442 (OS Build 17763.1579) Out-of-bandUpdatesUNKNOWN52020-11-17T00:00:00+00:00
      KB4601382 February 24, 2021—KB4601382 (OS Builds 19041.844 and 19042.844) PreviewUpdatesUNKNOWN52021-02-23T00:00:00+00:00
      KB4594439 Kerberos authentication and ticket renewal issues on Windows Server 2012 R2 - Out-of-bandUpdatesUNKNOWN52020-11-17T00:00:00+00:00
      KB5004243 July 13, 2021 Public preview security update (KB5004243)UNKNOWN32021-10-28T19:40:34+00:00
      KB5003645 June 8, 2021 Public preview security update (KB5003645)UNKNOWN32021-10-28T19:42:02+00:00

      Raw Object

      {
        "uuid": "46487b01-5b5e-2e43-171c-56056573535c",
        "name": "CVE-2020-17049",
        "description": "Kerberos Security Feature Bypass Vulnerability",
        "cvss": null,
        "score": 9,
        "severity": "HIGH",
        "cvss3": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
        "score3": 7.2,
        "severity3": "HIGH",
        "applications": [],
        "packages": [],
        "updates": [
          {
            "hotfix": "KB5001337",
            "name": "April 13, 2021—KB5001337 (OS Build 18363.1500)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-04-12T00:00:00+00:00",
            "updated_at": "2021-08-30T16:12:40+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5001337"
          },
          {
            "hotfix": "KB5000847",
            "name": "March 9, 2021—KB5000847 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-03-08T00:00:00+00:00",
            "updated_at": "2021-08-30T20:08:23+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5000847"
          },
          {
            "hotfix": "KB5004294",
            "name": "July 13, 2021—KB5004294 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-07-12T00:00:00+00:00",
            "updated_at": "2021-08-30T20:32:35+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5004294"
          },
          {
            "hotfix": "KB4586834",
            "name": "November 10, 2020—KB4586834 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-06T00:00:00+00:00",
            "updated_at": "2021-08-30T21:10:35+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4586834"
          },
          {
            "hotfix": "KB5004298",
            "name": "July 13, 2021—KB5004298 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-07-12T00:00:00+00:00",
            "updated_at": "2021-08-30T21:13:33+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5004298"
          },
          {
            "hotfix": "KB4601380",
            "name": "February 16, 2021—KB4601380 (OS Build 18363.1411) Preview",
            "description": "Updates",
            "severity": "UNKNOWN",
            "risk": 5,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-02-16T00:00:00+00:00",
            "updated_at": "2021-08-31T15:32:04+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4601380"
          },
          {
            "hotfix": "KB4598279",
            "name": "January 12, 2021—KB4598279 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-01-11T00:00:00+00:00",
            "updated_at": "2021-08-31T15:34:23+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4598279"
          },
          {
            "hotfix": "KB4598298",
            "name": "January 21, 2021—KB4598298 (OS Build 18363.1350) Preview",
            "description": "Updates",
            "severity": "UNKNOWN",
            "risk": 5,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-01-21T00:00:00+00:00",
            "updated_at": "2021-08-31T15:40:05+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4598298"
          },
          {
            "hotfix": "KB4586808",
            "name": "November 10, 2020—KB4586808 (Security-only update)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-06T00:00:00+00:00",
            "updated_at": "2021-08-31T15:40:29+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4586808"
          },
          {
            "hotfix": "KB5000841",
            "name": "March 9, 2021—KB5000841 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-03-08T00:00:00+00:00",
            "updated_at": "2021-08-31T15:43:55+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5000841"
          },
          {
            "hotfix": "KB5004285",
            "name": "July 13, 2021—KB5004285 (Security-only update)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-07-12T00:00:00+00:00",
            "updated_at": "2021-08-31T15:44:53+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5004285"
          },
          {
            "hotfix": "KB4598278",
            "name": "January 12, 2021—KB4598278 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-01-11T00:00:00+00:00",
            "updated_at": "2021-08-31T15:58:23+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4598278"
          },
          {
            "hotfix": "KB4594438",
            "name": "Kerberos authentication and ticket renewal issues on Windows Server 2012 - Out-of-band",
            "description": "Updates",
            "severity": "UNKNOWN",
            "risk": 5,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-17T00:00:00+00:00",
            "updated_at": "2021-08-31T16:36:58+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4594438"
          },
          {
            "hotfix": "KB5000840",
            "name": "March 9, 2021—KB5000840 (Security-only update)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-03-08T00:00:00+00:00",
            "updated_at": "2021-08-31T16:42:44+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5000840"
          },
          {
            "hotfix": "KB4594443",
            "name": "November 19, 2020—KB4594443 (OS Builds 18362.1199 and 18363.1199) Out-of-band",
            "description": "Updates",
            "severity": "UNKNOWN",
            "risk": 5,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-18T00:00:00+00:00",
            "updated_at": "2021-08-31T17:15:13+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4594443"
          },
          {
            "hotfix": "KB5000848",
            "name": "March 9, 2021—KB5000848 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-03-08T00:00:00+00:00",
            "updated_at": "2021-08-31T17:54:03+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5000848"
          },
          {
            "hotfix": "KB4586786",
            "name": "November 10, 2020—KB4586786 (OS Builds 18362.1198 and 18363.1198) - EXPIRED",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-06T00:00:00+00:00",
            "updated_at": "2021-08-31T17:59:06+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4586786"
          },
          {
            "hotfix": "KB4598285",
            "name": "January 12, 2021—KB4598285 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-01-11T00:00:00+00:00",
            "updated_at": "2021-08-31T18:04:26+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4598285"
          },
          {
            "hotfix": "KB4586845",
            "name": "November 10, 2020—KB4586845 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-06T00:00:00+00:00",
            "updated_at": "2021-08-31T18:42:58+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4586845"
          },
          {
            "hotfix": "KB5000853",
            "name": "March 9, 2021—KB5000853 (Security-only update)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-03-08T00:00:00+00:00",
            "updated_at": "2021-08-31T19:09:40+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5000853"
          },
          {
            "hotfix": "KB4586823",
            "name": "November 10, 2020—KB4586823 (Security-only update)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-06T00:00:00+00:00",
            "updated_at": "2021-08-31T19:32:55+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4586823"
          },
          {
            "hotfix": "KB5001342",
            "name": "April 13, 2021—KB5001342 (OS Build 17763.1879)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-04-12T00:00:00+00:00",
            "updated_at": "2021-08-31T22:03:08+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5001342"
          },
          {
            "hotfix": "KB5004244",
            "name": "July 13, 2021—KB5004244 (OS Build 17763.2061)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-07-12T00:00:00+00:00",
            "updated_at": "2021-08-31T22:03:38+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5004244"
          },
          {
            "hotfix": "KB4586781",
            "name": "November 10, 2020—KB4586781 (OS Builds 19041.630 and 19042.630)",
            "description": "Security Updates",
            "severity": "UNKNOWN",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2020-11-06T00:00:00+00:00",
            "updated_at": "2021-08-31T22:08:31+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4586781"
          },
          {
            "hotfix": "KB5004237",
            "name": "July 13, 2021—KB5004237 (OS Builds 19041.1110, 19042.1110, and 19043.1110)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-07-12T00:00:00+00:00",
            "updated_at": "2021-08-31T22:13:09+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5004237"
          },
          {
            "hotfix": "KB4598288",
            "name": "January 12, 2021—KB4598288 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-01-11T00:00:00+00:00",
            "updated_at": "2021-08-31T22:20:55+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4598288"
          },
          {
            "hotfix": "KB4598243",
            "name": "January 12, 2021—KB4598243 (OS Build 14393.4169) - EXPIRED",
            "description": "Learn more about update KB4598243, including improvements and fixes, any known issues, and how to get the update.",
            "severity": "UNKNOWN",
            "risk": 3,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-08-31T22:58:17+00:00",
            "updated_at": "2021-08-31T22:58:17+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB4598243"
          },
          {
            "hotfix": "KB5004307",
            "name": "July 13, 2021—KB5004307 (Security-only update)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-07-12T00:00:00+00:00",
            "updated_at": "2021-08-31T23:48:00+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5004307"
          },
          {
            "hotfix": "KB5001330",
            "name": "April 13, 2021—KB5001330 (OS Builds 19041.928 and 19042.928)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-04-12T00:00:00+00:00",
            "updated_at": "2021-08-31T23:49:59+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5001330"
          },
          {
            "hotfix": "KB5004238",
            "name": "July 13, 2021—KB5004238 (OS Build 14393.4530)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
            "created_at": "2021-07-12T00:00:00+00:00",
            "updated_at": "2021-09-01T00:14:08+00:00",
            "self": "https://data.zercurity.com/v1/update/hotfix/KB5004238"
          },
          {
            "hotfix": "KB5004289",
            "name": "July 13, 2021—KB5004289 (Monthly Rollup)",
            "description": "Security Updates",
            "severity": "CRITICAL",
            "risk": 90,
            "vulnerable": 0,
            "outdated": 0,
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