Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-22204

CVE-2021-22204MEDIUM

ExifTool ExifTool — Perl Exiftool

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS    %ile   KEV
   L   L   N   N  C  L  L  L    6.8   .9998   100.0   YES

AFFECTED
  Product   Versions          Fixed
  ExifTool  >=7.44, <12.24 –  —

TIMELINE
  Jan 5   Reserved by GitLab
  Apr 23  Published (CNA: GitLab)
  Nov 17  Added to CISA KEV, remediation due 2021-12-01

CWE-94 · CNA: GitLab · CVSS v3.1 · 15 references · KEV due December 1, 2021

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

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 5, 2021	Reserved	Reserved by GitLab
April 23, 2021	Published	Published (CNA: GitLab)
November 17, 2021	KEV ADDED	Added to CISA KEV, remediation due 2021-12-01

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
ExifTool	ExifTool	—	>=7.44, <12.24	—

Weaknesses

CWE-94

References (15)

http://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html [x_refsource_MISC]
http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html [x_refsource_MISC]
http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html [x_refsource_MISC]
http://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html [x_refsource_MISC]
http://www.openwall.com/lists/oss-security/2021/05/09/1 [mailing-list, x_refsource_MLIST]
http://www.openwall.com/lists/oss-security/2021/05/10/5 [mailing-list, x_refsource_MLIST]
https://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800 [x_refsource_MISC]
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22204.json [x_refsource_CONFIRM]
https://hackerone.com/reports/1154542 [x_refsource_MISC]
https://lists.debian.org/debian-lts-announce/2021/05/msg00018.html [mailing-list, x_refsource_MLIST]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDKDLJLBTBBR66OOPXSXCG2PQRM5KCZL/ [vendor-advisory, x_refsource_FEDORA]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6UOBPU3LSHAPRRJNISNVXZ5DSUIALLV/ [vendor-advisory, x_refsource_FEDORA]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4RF6PJCJ6NQOVJJJF6HN6BORUQVIXY6/ [vendor-advisory, x_refsource_FEDORA]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22204 [government-resource]
https://www.debian.org/security/2021/dsa-4910 [vendor-advisory, x_refsource_DEBIAN]

Authoritative record: CVE-2021-22204 at cve.org

Vendors: exiftool

Weaknesses: CWE-94

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-22204 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.