HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2021-11-17Vulnerability

CVE-2021-22204

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

Properties

Euvd product
ExifTool
Vulnerability name
ExifTool Remote Code Execution Vulnerability
First seen
2025-10-21T23:25:48+00:00
Cvss score
7.8
Epss score
0.99981
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-12-01
Euvd assigner
GitLab
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-17T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-17
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
ExifTool
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
6.8

Related Entities (9)

AFFECTS_PRODUCT (6)

→[Product]cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:exiftool_project:exiftool:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]ExifTool Remote Code Execution Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Control of Generation of Code ('Code Injection')

INVOLVES (1)

←[Signal]kev_added · 2021-11-17

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CVE-2021-22204 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal