Vulnerability Name:

CVE-2021-22176 (CCN-198718)

Assigned:2021-03-24
Published:2021-03-24
Updated:2021-03-26
Summary:An issue has been discovered in GitLab affecting all versions starting with 3.0.1. Improper access control allows demoted project members to access details on authored merge requests
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-863
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-22176

Source: XF
Type: UNKNOWN
gitlab-cve202122176-sec-bypass(198718)

Source: CCN
Type: GitLab Web site
CVE-2021-22176.json

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22176.json

Source: MISC
Type: Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/243491

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://hackerone.com/reports/962604

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-22176

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 3.0.1 and < 13.6.7)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 3.0.1 and < 13.6.7)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.7.0 and < 13.7.7)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.7.0 and < 13.7.7)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.8.0 and < 13.8.4)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.8.0 and < 13.8.4)

  • Configuration CCN 1:
  • cpe:/a:gitlab:gitlab:9.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.7:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.7.6:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.7.5:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.7.4:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.7.3:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.8:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.6.7:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.6.6:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:11.8:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:13.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:9.4:*:*:*:*:*:*:*
  • OR cpe:/a:gitlab:gitlab:3.0.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab 9.4.1
    gitlab gitlab 13.8.2
    gitlab gitlab 13.8.1
    gitlab gitlab 13.7
    gitlab gitlab 13.7.6
    gitlab gitlab 13.7.5
    gitlab gitlab 13.7.4
    gitlab gitlab 13.7.3
    gitlab gitlab 13.8
    gitlab gitlab 13
    gitlab gitlab 13.6.7
    gitlab gitlab 13.6.6
    gitlab gitlab 13.6.5
    gitlab gitlab 11.8
    gitlab gitlab 13.8.3
    gitlab gitlab 9.4
    gitlab gitlab 3.0.1