Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2021-22204

ExifTool Remote Code Execution Vulnerability

HighExploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Exiftool, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Dec 1, 2021.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorSource
ExiftoolPerlKEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2021-22204 scored CVSS 7.8: Perl Exiftool, ExifTool Remote Code Execution Vulnerability

    CISA lists this as exploited in the wild. Unpatched Exiftool systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2021-22204: Perl Exiftool, ExifTool Remote Code Execution Vulnerability

    An official fix is now available for Perl Exiftool. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2021-22204
  • packetstormsecurity.com http://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html
  • openwall.com http://www.openwall.com/lists/oss-security/2021/05/09/1
  • openwall.com http://www.openwall.com/lists/oss-security/2021/05/10/5
  • github.com https://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b…
  • gitlab.com https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22204.json
  • hackerone.com https://hackerone.com/reports/1154542
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/05/msg00018.html
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDKDLJLBTBBR6…
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6UOBPU3LSHAP…
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4RF6PJCJ6NQO…
  • debian.org https://www.debian.org/security/2021/dsa-4910
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22204