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CVE-2021-22204

98
FAUCET Score

CVE-2021-22204 is a critical arbitrary code execution vulnerability affecting ExifTool versions 7.44 and higher, stemming from improper neutralization of user data in DjVu files. This flaw allows attackers to execute arbitrary code when a malicious image is parsed. With a CVSS score of 7.8 (HIGH), it presents a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. The vulnerability is actively exploited in the wild, with multiple public exploit modules available in Metasploit and ExploitDB, and has garnered substantial community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.44, < 12.24CPE matchmatch criteria
cpe:2.3:a:exiftool_project:exiftool:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.5
Impact Score
3.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.98%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 17, 2021
Metasploit: GitLab Unauthenticated Remote ExifTool Command Injection · Apr 14, 2021
ExploitDB: EDB-50911 · May 11, 2022
This CVE's current EPSS score of 0.9998 is in the 100th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/162558/ExifTool-DjVu-ANT-Perl-Injection.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/164994/GitLab-13.10.2-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
github.com / exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031
Patch
gitlab.com / gitlab-org/cves/-/blob/master/2021/CVE-2021-22204.json
Third Party Advisory
hackerone.com / reports/1154542
ExploitIssue TrackingThird Party Advisory
lists.debian.org / debian-lts-announce/2021/05/msg00018.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DDKDLJLBTBBR66OOPXSXCG2PQRM5KCZL
Release Notes
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/F6UOBPU3LSHAPRRJNISNVXZ5DSUIALLV
Release Notes
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/U4RF6PJCJ6NQOVJJJF6HN6BORUQVIXY6
Release Notes
debian.org / security/2021/dsa-4910
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2021/05/09/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2021/05/10/5
Mailing ListThird Party Advisory