CVE-2021-39917

2021-12-1315:47:58

GitLab

www.cve.org

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.9%

JSON

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.9 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression related to quick actions features was susceptible to catastrophic backtracking that could cause a DOS attack.

CNA Affected

[
  {
    "product": "GitLab",
    "vendor": "GitLab",
    "versions": [
      {
        "status": "affected",
        "version": ">=12.9, <14.3.6"
      },
      {
        "status": "affected",
        "version": ">=14.4, <14.4.4"
      },
      {
        "status": "affected",
        "version": ">=14.5, <14.5.2"
      }
    ]
  }
]