OS Command Injection in gogs - CVE-2021-32546

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Main Vulnerability Database Vulnerabilities #VU128084

OS Command Injection in gogs - CVE-2021-32546

Published: May 31, 2022 / Updated: April 27, 2026


Vulnerability identifier: #VU128084
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-32546
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
gogs
Software vendor:
gogs.io

Description

The vulnerability allows a remote user to execute arbitrary commands on the server.

The vulnerability exists due to command injection in repository file editing when updating a crafted config file into the repository's .git directory. A remote user can upload or update a specially crafted file to execute arbitrary commands on the server.

Only installations with repository upload enabled are vulnerable.


Remediation

Install security update from vendor's website.

External links