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[email protected]CVE-2021-39937

HistoryDec 13, 2021 - 4:15 p.m.

CVE-2021-39937

2021-12-1316:15:09

CWE-269

[email protected]

web.nvd.nist.gov

gitlab

cve-2021-39937

access memoization

privilege escalation

security vulnerability

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.6%

JSON

A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances

Affected configurations

NVD

Node

gitlabgitlabRange<14.3.6community

gitlabgitlabRange<14.3.6enterprise

gitlabgitlabRange14.4.0–14.4.4community

gitlabgitlabRange14.4.0–14.4.4enterprise

gitlabgitlabRange14.5.0–14.5.2community

gitlabgitlabRange14.5.0–14.5.2enterprise

CPENameOperatorVersion
gitlab:gitlabgitlablt14.3.6
gitlab:gitlabgitlablt14.4.4
gitlab:gitlabgitlablt14.5.2

CPE	Name	Operator	Version
gitlab:gitlab	gitlab	lt	14.3.6
gitlab:gitlab	gitlab	lt	14.4.4
gitlab:gitlab	gitlab	lt	14.5.2

CNA Affected

[
  {
    "product": "GitLab",
    "vendor": "GitLab",
    "versions": [
      {
        "status": "affected",
        "version": ">=0.0, <14.3.6"
      },
      {
        "status": "affected",
        "version": ">=14.4, <14.4.4"
      },
      {
        "status": "affected",
        "version": ">=14.5, <14.5.2"
      }
    ]
  }
]