gitlab gitlab CVE-2021-22205 is a vulnerability in GitLab
Published on April 23, 2021

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.

NVD

Known Exploited Vulnerability

This GitLab Community and Enterprise Editions From 11.9 Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Anyone with the ability to upload an image that goes through the GitLab Workhorse could achieve Remote Code Execution via a specially crafted file.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-22205 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2021-22205 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2021-22205

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Affected Versions

GitLab:

Exploit Probability

EPSS
94.47%
Percentile
100.00%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.