CVE-2021-39891
Vulnerability from cvelistv5
Published
2021-10-05 13:38
Modified
2024-08-04 02:20
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS score ?
0.15% (0.32728)
Summary
In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.
References
cve@gitlab.comhttps://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.jsonVendor Advisory
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/issues/335137Broken Link
af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.jsonVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/gitlab-org/gitlab/-/issues/335137Broken Link
Impacted products
Vendor Product Version
GitLab GitLab Version: >=8.0, <14.1.7
Version: >=14.2, <14.2.5
Version: >=14.3, <14.3.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-04T02:20:33.670Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://gitlab.com/gitlab-org/gitlab/-/issues/335137",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "GitLab",
               vendor: "GitLab",
               versions: [
                  {
                     status: "affected",
                     version: ">=8.0, <14.1.7",
                  },
                  {
                     status: "affected",
                     version: ">=14.2, <14.2.5",
                  },
                  {
                     status: "affected",
                     version: ">=14.3, <14.3.1",
                  },
               ],
            },
         ],
         credits: [
            {
               lang: "en",
               value: "This vulnerability was found internally by a member of the GitLab team.",
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.",
            },
         ],
         metrics: [
            {
               cvssV3_1: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 5.9,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "HIGH",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
                  version: "3.1",
               },
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Improper access control in GitLab",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-10-05T13:38:07",
            orgId: "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
            shortName: "GitLab",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://gitlab.com/gitlab-org/gitlab/-/issues/335137",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "cve@gitlab.com",
               ID: "CVE-2021-39891",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "GitLab",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: ">=8.0, <14.1.7",
                                       },
                                       {
                                          version_value: ">=14.2, <14.2.5",
                                       },
                                       {
                                          version_value: ">=14.3, <14.3.1",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "GitLab",
                     },
                  ],
               },
            },
            credit: [
               {
                  lang: "eng",
                  value: "This vulnerability was found internally by a member of the GitLab team.",
               },
            ],
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.",
                  },
               ],
            },
            impact: {
               cvss: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 5.9,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "HIGH",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
                  version: "3.1",
               },
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "Improper access control in GitLab",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://gitlab.com/gitlab-org/gitlab/-/issues/335137",
                     refsource: "MISC",
                     url: "https://gitlab.com/gitlab-org/gitlab/-/issues/335137",
                  },
                  {
                     name: "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json",
                     refsource: "CONFIRM",
                     url: "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
      assignerShortName: "GitLab",
      cveId: "CVE-2021-39891",
      datePublished: "2021-10-05T13:38:07",
      dateReserved: "2021-08-23T00:00:00",
      dateUpdated: "2024-08-04T02:20:33.670Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2021-39891\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2021-10-05T14:15:08.037\",\"lastModified\":\"2024-11-21T06:20:29.250\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.\"},{\"lang\":\"es\",\"value\":\"En todas las versiones de GitLab CE/EE desde la versión 8.0, los tokens de acceso creados como parte de la suplantación de un usuario por parte del administrador no se borran al final de la suplantación, lo que puede conllevar a una divulgación innecesaria de información confidencial\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":0.7,\"impactScore\":5.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":4.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:N/A:N\",\"baseScore\":4.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-212\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndExcluding\":\"14.1.7\",\"matchCriteriaId\":\"108BFCA8-3661-485A-BD06-27FA8999BB50\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndExcluding\":\"14.1.7\",\"matchCriteriaId\":\"4B4A8EE5-32B8-4DFB-9431-01A76FF04037\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"14.2.0\",\"versionEndExcluding\":\"14.2.5\",\"matchCriteriaId\":\"CAB23F69-59A2-430F-A082-A5F81A7A464C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"14.2.0\",\"versionEndExcluding\":\"14.2.5\",\"matchCriteriaId\":\"CD7E2FAA-308F-450F-8990-52A7DEB8ED00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"14.3.0\",\"versionEndExcluding\":\"14.3.1\",\"matchCriteriaId\":\"F2308ED7-163D-4ECD-AFDC-35E2A694273C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"14.3.0\",\"versionEndExcluding\":\"14.3.1\",\"matchCriteriaId\":\"157A67E5-BAEB-4C73-A3D2-A9D8E189A15B\"}]}]}],\"references\":[{\"url\":\"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/335137\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/335137\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.