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CISA KEV·Added 2021-11-17 — agencies required to remediate by 2021-12-01

CVE-2021-22204

HIGH
Published
Apr 23, 2021
Updated
Apr 16, 2026
Affected
0 pkgs
Patched
None yet
Exploits
30 known

EPSS Exploitation Probability

via FIRST.org ↗
92.8%probability of exploitation in next 30 days
Very High Risk100th percentile-0.04%
92.3%92.6%93.0%93.4%92.8%92.8%Dec 25Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code execution when parsing the malicious image

Exploits & PoCs
30

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-50911locallinux

ExifTool 12.23 - Arbitrary Code Execution

by UNICORD · May 11, 2022

Frequently Asked Questions

Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code execution when parsing the malicious image
O3 Security · Impact-Aware SCA

Is CVE-2021-22204 in your stack?

O3 detects CVE-2021-22204 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.