onyx

onyx --cves cve-2021-22205

CVE-2021-22205

score
<0.1
cvss
—
epss
99.7%
published
—
kev added
2021-11-03
first seen

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.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2021-11-03 — Added to CISA KEVK2026-10-08 — First advisory — CISA: Chinese Government-linked Cyber Threat Actors Combine Automated and Hands-on Hacking Tools to Steal Sensitive DataA2026-10-21 (seen by) — Tracked by OnyxT2026-10-21 (seen by) — Nuclei template: GitLab CE/EE - Remote Code ExecutionNscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 99.7%2026-09-23: epss 99.7%2026-09-24: epss 99.7%2026-09-25: epss 99.7%2026-09-26: epss 99.7%2026-09-27: epss 99.7%2026-09-28: epss 99.7%2026-09-29: epss 99.7%2026-09-30: epss 99.7%2026-10-01: epss 99.7%2026-10-02: epss 99.7%2026-10-03: epss 99.7%2026-10-04: epss 99.7%2026-10-05: epss 99.7%2026-10-06: epss 99.7%2026-10-07: epss 99.7%2026-10-08: epss 99.7%2026-10-09: epss 99.7%2026-10-10: epss 99.7%2026-10-11: epss 99.7%2026-10-12: epss 99.7%2026-10-13: epss 99.7%2026-10-14: epss 99.7%2026-10-15: epss 99.7%2026-10-16: epss 99.7%2026-10-18: epss 99.7%2026-10-19: epss 99.7%2026-10-20: epss 99.7%2026-10-21: epss 99.7%99.7%mentions/day0no mentions in 30 days2026-09-22today
  1. Added to CISA KEV
  2. First advisory — CISA Chinese Government-linked Cyber Threat Actors Combine Automated and Hands-on Hacking Tools to Steal Sensitive Data
  3. Tracked by Onyx
  4. Nuclei template GitLab CE/EE - Remote Code Execution

Nuclei template

A verified check exists — you can scan for this today, and so can everyone else.

template
GitLab CE/EE - Remote Code Execution
severity
CRIT
first seen
nuclei -id CVE-2021-22205 -u https://target.example

Advisories

0 feeds this week

Weaknesses

CWE-20 CWE-95

References 1