Vulnerability Name:

CVE-2021-39876 (CCN-223591)

Assigned:2021-08-23
Published:2022-03-28
Updated:2022-04-04
Summary:In all versions of GitLab CE/EE since version 11.3, the endpoint for auto-completing Assignee discloses the members of private groups.
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:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-39876

Source: XF
Type: UNKNOWN
gitlab-cve202139876-info-disc(223591)

Source: CCN
Type: GitLab Web site
CVE-2021-39876

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-39876

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:gitlab:gitlab:14.2:*:*:*:community:*:*:*
  • OR cpe:/a:gitlab:gitlab:14.1.6:*:*:*:community:*:*:*
  • OR cpe:/a:gitlab:gitlab:14.3.0:*:*:*:community:*:*:*
  • OR cpe:/a:gitlab:gitlab:14.2.4:*:*:*:community:*:*:*
  • OR cpe:/a:gitlab:gitlab:11.3:*:*:*:community:*:*:*

    • * Denotes that component is vulnerable
    BACK
    gitlab gitlab 14.2
    gitlab gitlab 14.1.6
    gitlab gitlab 14.3.0
    gitlab gitlab 14.2.4
    gitlab gitlab 11.3