Vulnerability Name:

CVE-2021-22188 (CCN-197675)

Assigned:2021-03-03
Published:2021-03-03
Updated:2021-03-10
Summary:An issue has been discovered in GitLab affecting all versions starting with 13.0. Confidential issue titles in Gitlab were readable by an unauthorised user via branch logs.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-22188

Source: XF
Type: UNKNOWN
gitlab-cve202122188-info-disc(197675)

Source: CCN
Type: GitHub Web site
CVE-2021-22188

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22188.json

Source: MISC
Type: Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/227040

Source: MISC
Type: Permissions Required, Third Party Advisory
https://hackerone.com/reports/916340

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.0.0 and < 13.6.7)
  • OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.0.0 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:13.4.6:*:*:*:community:*:*:*

    • * Denotes that component is vulnerable
    BACK
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab *
    gitlab gitlab 13.4.6