CVE-2020-13359

Severity: high (CVSS 7.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-11-19 · updated 2026-06-17

Description

The Terraform API in GitLab CE/EE 12.10+ exposed the object storage signed URL on the delete operation allowing a malicious project maintainer to overwrite the Terraform state, bypassing audit and other business controls. Affected versions are >=12.10, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

Affected products

GitLab: from 12.10.0 before 13.3.9; from 13.4.0 before 13.4.5; from 13.5.0 before 13.5.2 — fixed in 13.3.9, 13.4.5, 13.5.2

How to fix

Upgrade to a fixed version: GitLab 13.3.9, 13.4.5, 13.5.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13359.json
https://gitlab.com/gitlab-org/gitlab/-/issues/250266
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13359.json
https://gitlab.com/gitlab-org/gitlab/-/issues/250266

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