CVE-2021-22205 (GCVE-0-2021-22205)

Vulnerability from cvelistv5 – Published: 2021-04-23 17:39 – Updated: 2025-10-21 23:25
VLAI CISA Shadowserver KEVIntel
Summary
An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9. GitLab was not properly validating image files that were passed to a file parser which resulted in a remote command execution.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • Improper control of generation of code ('code injection') in GitLab
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version
GitLab GitLab Affected: >=11.9, <13.8.8
Affected: >=13.9, <13.9.6
Affected: >=13.10, <13.10.3
Create a notification for this product.
Credits
Thanks vakzz for reporting this vulnerability through our HackerOne bug bounty program
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 8e7dd4c0-9908-429a-a781-e195ccbba047

Vulnerability ID: CVE-2021-22205

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: GitLab Community and Enterprise Editions Remote Code Execution Vulnerability | Affected: GitLab / Community and Enterprise Editions | Description: GitHub Community and Enterprise Editions that utilize the ability to upload images through GitLab Workhorse are vulnerable to remote code execution. Workhorse passes image file extensions through ExifTool, which improperly validates the image files. | Required action: Apply updates per vendor instructions. | Due date: 2021-11-17 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-22205
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-20 CWE-95
Feed CISA Known Exploited Vulnerabilities Catalog
Product Community and Enterprise Editions
Due Date 2021-11-17
Date Added 2021-11-03
Vendorproject GitLab
Vulnerabilityname GitLab Community and Enterprise Editions Remote Code Execution Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:28 UTC | Updated: 2026-02-06 07:17 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 62bbdf10-437c-490d-abe0-073a5c71cd4e

Vulnerability ID: CVE-2021-22205

Status: Confirmed

Status Updated: 2023-10-26 11:30 UTC

Exploited: Yes

Characteristics
Severity: 100.0
Timestamps
First Seen: 2023-10-26
Asserted: 2023-10-26
Last Seen: 2023-10-26
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: GitLab / GitLab CE/EE | Class: other-software | IoT: no | In CISA KEV: yes | Honeypot connections on 2022-08-18: 4
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class other-software
7D Avg 0
Vendor GitLab
30D Avg 0
90D Avg 0
Product GitLab CE/EE
Cisa Kev yes
Connections 4
Observation Date 2022-08-18
Vulnerability Class None
Vulnerability Score None
Vulnerability Severity None
References
Created: 2026-06-30 10:01 UTC | Updated: 2026-06-30 15:44 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: d286e067-ef01-45af-8f9b-5f8796f66a0b

Vulnerability ID: CVE-2021-22205

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEVIntel entry: An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9. GitLab was not properly validating image files that were... | Affected: GitLab / GitLab | CVSS: 10.0 (CRITICAL) | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9. GitLab was not properly validating image files that were...
Vendor GitLab
Product GitLab
Added Date 2021-11-03T00:00:00.000Z
Cvss Score 10.0
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:04 UTC | Updated: 2026-06-23 14:04 UTC
Show details on NVD website
To clipboard 

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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.