CVE-2021-22204
At a glance
- Severity
- MEDIUM 6.8
- Exploitation
- Known exploited (CISA KEV) · added 2021-11-17
Exploited per ENISA since 2021-11-17 - EPSS
- EPSS 99.98 % · percentile 100 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitLab
- NVD status
- Analyzed
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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L | GitLab |
| CVSS 3.1 | MEDIUM 6.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L | NVD · cve@gitlab.com (Secondary) |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2021-9350
- GCVE · GCVE-0-2021-22204
Affected configurations (NVD CPE)
cpe:2.3:a:exiftool_project:exiftool:*:*:*:*:*:*:*:*≥ 7.44 < 12.24cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| ExifTool · ExifTool | affected >=7.44, <12.24 |
References
- https://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800
- https://hackerone.com/reports/1154542
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22204.json
- https://www.debian.org/security/2021/dsa-4910
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4RF6PJCJ6NQOVJJJF6HN6BORUQVIXY6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDKDLJLBTBBR66OOPXSXCG2PQRM5KCZL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6UOBPU3LSHAPRRJNISNVXZ5DSUIALLV/
- http://www.openwall.com/lists/oss-security/2021/05/09/1
- http://www.openwall.com/lists/oss-security/2021/05/10/5
- http://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html
- https://lists.debian.org/debian-lts-announce/2021/05/msg00018.html
- http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
- http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22204
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| CISA Known Exploited Vulnerabilities | CC0 1.0 |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |