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Findings

CVE-2021-22204

ExifTool Remote Code Execution Vulnerability

Published Apr 23, 2021 · updated Jun 16, 2026 · exiftool project exiftool

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

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 23, 2021 · Catalog

    Detected

    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

  2. Nov 17, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Dec 1, 2021 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

CISA due date Dec 1, 2021

Affected

  • cpe debian/debian linux10.0
  • cpe debian/debian linux9.0
  • cpe exiftool project/exiftoolversion unspecified
  • cpe fedoraproject/fedora32
  • cpe fedoraproject/fedora33
  • cpe fedoraproject/fedora34
  • vendor Perl Exiftoolversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-22204

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-22204

    30-day exploitation probability 100.0%

    first.org
  • Exploit DatabasePublic exploit reference50911

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/gitlab_exif_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • Metasploit ModulesPublic exploit moduleexploit_unix/fileformat/exiftool_djvu_ant_perl_injection

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-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

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References