ExifTool Remote Code Execution Vulnerability

Added to KEV
2021-11-17
Federal due date
2021-12-01
Vendor
Perl
Product
Exiftool
EPSS
99.8th percentile (score 0.928, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2021-22204

CISA short 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

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.