CVE-2020-13293

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Affected software

Vendor	Product	Versions
GitLab	GitLab	>=1.0, <13.0.12; >=13.1, <13.1.6; >=13.2, <13.2.3

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/202690Broken Link
https://hackerone.com/reports/790634Permissions Required, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/202690Broken Link
https://hackerone.com/reports/790634Permissions Required, Third Party Advisory

Timeline

Published: Aug 10, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-132945.4In GitLab before 13.0.12, 13.1.6 and 13.2.3, access grants were not revoked when a user revoked access to an application.CVE-2020-132958.8For GitLab Runner before 13.0.12, 13.1.6, 13.2.3, by replacing dockerd with a malicious server, the Shared Runner is susceptible to SSRF.CVE-2020-132968.8An issue has been discovered in GitLab affecting versions >=10.7 <13.0.14, >=13.1.0 <13.1.8, >=13.2.0 <13.2.6. Improper Access Control for D CVE-2020-132975.4A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. When 2 factor authentication was enabled for groups, a CVE-2020-132985.8A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Conan package upload functionality was not properly val CVE-2020-132998.1A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. The revocation feature was not revoking all session tok CVE-2020-13305.5An information disclosure vulnerability exists when Windows Mobile Device Management (MDM) Diagnostics improperly handles junctions, aka 'Wi CVE-2020-1330010.0GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the au CVE-2020-133014.8A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was vulnerable to a stored XSS on the standalone CVE-2020-133027.2A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Under certain conditions GitLab was not properly revoki CVE-2020-133036.5A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Due to improper verification of permissions, an unautho CVE-2020-133047.2A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Same 2 factor Authentication secret code was generated