CVE-2021-22204 (GCVE-0-2021-22204)

Vulnerability from cvelistv5 – Published: 2021-04-23 17:22 – Updated: 2025-10-21 23:25
VLAI? CISA KEV
Summary
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
Severity ?
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
CWE
  • Improper neutralization of directives in dynamically evaluated code ('eval injection') in ExifTool
Assigner
References
Impacted products
Vendor Product Version
ExifTool ExifTool Affected: >=7.44, <12.24
Create a notification for this product.
Credits
Thanks vakzz for reporting this vulnerability through the GitLab HackerOne bug bounty program who then reported it to the ExifTool maintainer
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 55d4bde7-37fe-41ed-9329-04b2602082a8

Vulnerability ID: CVE-2021-22204

Status: Confirmed

Status Updated: 2021-11-17 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-17
Asserted: 2021-11-17
Scope
Notes: KEV entry: ExifTool Remote Code Execution Vulnerability | Affected: Perl / Exiftool | 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 | Required action: Apply updates per vendor instructions. | Due date: 2021-12-01 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-22204
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-95
Feed CISA Known Exploited Vulnerabilities Catalog
Product Exiftool
Due Date 2021-12-01
Date Added 2021-11-17
Vendorproject Perl
Vulnerabilityname ExifTool Remote Code Execution Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:28 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
To clipboard 

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      "id": "CVE-2021-22204",
      "lastModified": "2024-11-21T05:49:42.237",
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      "published": "2021-04-23T18:15:08.127",
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}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.