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[email protected]CVE-2021-39891

HistoryOct 05, 2021 - 2:15 p.m.

CVE-2021-39891

2021-10-0514:15:08

CWE-212

[email protected]

web.nvd.nist.gov

gitlab

access tokens

admin impersonation

sensitive info disclosure

cve-2021-39891

nvd

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

4.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.7%

JSON

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.

Affected configurations

NVD

Node

gitlabgitlabRange8.0.0–14.1.7community

gitlabgitlabRange8.0.0–14.1.7enterprise

gitlabgitlabRange14.2.0–14.2.5community

gitlabgitlabRange14.2.0–14.2.5enterprise

gitlabgitlabRange14.3.0–14.3.1community

gitlabgitlabRange14.3.0–14.3.1enterprise

CPENameOperatorVersion
gitlab:gitlabgitlablt14.1.7
gitlab:gitlabgitlablt14.2.5
gitlab:gitlabgitlablt14.3.1

CPE	Name	Operator	Version
gitlab:gitlab	gitlab	lt	14.1.7
gitlab:gitlab	gitlab	lt	14.2.5
gitlab:gitlab	gitlab	lt	14.3.1

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"
      }
    ]
  }
]