CVE-2020-13312

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth...

6.5 MediumFix available

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.85%Up 0.2 points since Apr 14, 2021

What each source reports

CVE List Score used 6.5

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Record: CVE-2020-13312
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

EUVDEUVD-2020-5572 6.5

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Record: EUVD-2020-5572
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c5px-g3pm-787c No score

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth...

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Record: GHSA-c5px-g3pm-787c
Weakness: CWE-522
Updated: 2026-11-02

NVD 6.5

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Record: CVE-2020-13312
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-307
Updated: 2026-11-02

OSV 9.8

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Record: CVE-2020-13312
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-13312 9.8

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Record: UBUNTU-CVE-2020-13312
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

OSVBIT-gitlab-2020-13312 No score

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

Record: BIT-gitlab-2020-13312
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Bitnami	7.7.0 up to 13.1.10, 13.2.0 up to 13.2.8, 13.3.0 up to 13.3.4	13.1.1013.2.813.3.4
`gitlab` Ubuntu:16.04:LTS	All versions, plus listed versions 8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13312 is a medium vulnerability (CVSS 6.5) in Gitlab, published September 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. Fixed in gitlab 13.1.10.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References