CVE-2021-22205: GitLab Community and Enterprise Editions Remote Code Execution Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

GitHub Community and Enterprise Editions that utilize the ability to upload images through GitLab Workhorse are vulnerable to remote code execution. Workhorse passes image file extensions through ExifTool, which improperly validates the image files.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-22205

Weakness behind it

CISA records this vulnerability as an instance of CWE-20, CWE-95. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-22205
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog