CVE-2021-39889

CVSS V2 Medium 4 CVSS V3 Medium 4.3
Description
In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.
Overview
  • CVE ID
  • CVE-2021-39889
  • Assigner
  • cve@gitlab.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-05T14:15:07
  • Last Modified Date
  • 2022-05-03T16:04:40
Weakness Enumerations
CWE URL
CWE-639 http://cwe.mitre.org/data/definitions/639.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 1 OR 14.1.0 14.1.7
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 1 OR 14.2.0 14.2.5
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 1 OR 14.3.0 14.3.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://hackerone.com/reports/1294017 Permissions Required Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/338062 Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-39889
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39889
History
Created Old Value New Value Data Type Notes
2022-05-08 06:19:50 Added to TrackCVE
2022-12-05 11:49:24 2021-10-05T14:15Z 2021-10-05T14:15:07 CVE Published Date updated
2022-12-05 11:49:24 2022-05-03T16:04:40 CVE Modified Date updated
2022-12-05 11:49:24 Analyzed Vulnerability Status updated