CVE-2020-13307
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was...
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
3.8
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
- Record
CVE-2020-13307- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2020-5567
3.8
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
- Record
EUVD-2020-5567- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4rmw-pmhj-w226 No score
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was...
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
- Record
GHSA-4rmw-pmhj-w226- Updated
- 2026-11-02
NVD
3.8
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
- Record
CVE-2020-13307- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-613
- Updated
- 2026-11-02
OSV
4.7
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
- Record
CVE-2020-13307- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-13307
4.7
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
- Record
UBUNTU-CVE-2020-13307- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L - CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-gitlab-2020-13307 No score
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.
- Record
BIT-gitlab-2020-13307- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13307 is a low vulnerability (CVSS 3.8) in Gitlab, published September 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. Fixed in gitlab 13.1.10.
References
gitlab.com/gitlab-org/gitlab/-/issues/31307
hackerone.com/reports/676772
gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13307.json
nvd.nist.gov/vuln/detail/CVE-2020-13307
github.com/advisories/GHSA-4rmw-pmhj-w226
ubuntu.com/security/CVE-2020-13307
about.gitlab.com/releases/2020/09/02/security-release-gitlab-13-3-3-released
cve.org/CVERecord?id=CVE-2020-13307