Vulnerability CVE-2020-13341

Vulnerability Name:

CVE-2020-13341 (CCN-189683)

Assigned:

2020-10-11

Published:

2020-10-11

Updated:

2021-07-21

Summary:

An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2. Insufficient permission check allows attacker with developer role to perform various deletions.

CVSS v3 Severity:

4.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)
4.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

CVSS v2 Severity:

4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

6.1 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:M/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Multiple_Instances
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Type:

CWE-732

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2020-13341

Source: XF
Type: UNKNOWN
gitlab-cve202013341-sec-bypass(189683)

Source: CCN
Type: GitLab Web site
CVE-2020-13341.json

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13341.json

Source: MISC
Type: Broken Link, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/239348

Source: MISC
Type: Permissions Required, Third Party Advisory
https://hackerone.com/reports/960244

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.1.0 and < 13.2.10)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.1.0 and < 13.2.10)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.3.0 and < 13.3.7)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.3.0 and < 13.3.7)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.4.0 and < 13.4.2)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.4.0 and < 13.4.2)

Configuration CCN 1:

cpe:/a:gitlab:gitlab:13.2.9:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:13.3.6:*:*:*:community:*:*:*

Denotes that component is vulnerable

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