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CVE-2021-39908

MEDIUM
Published 2022-04-01T22:17:38
Actions:

Expert Analysis

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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.423
Higher than 42.3% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Description

In all versions of GitLab CE/EE starting from 0.8.0 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitLab

GitLab

Affected Versions:

>=0.8.0, <14.2.6 >=14.3, <14.3.4 >=14.4, <14.4.1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-hm25-53gr-mc5r

Advisory Details

In all versions of GitLab CE/EE, certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-39908
WEB https://hackerone.com/reports/1280077
WEB https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json
WEB https://gitlab.com/gitlab-org/gitlab/-/issues/337193

Advisory provided by GitHub Security Advisory Database. Published: April 3, 2022, Modified: April 9, 2022

References

https://gitlab.com/gitlab-org/gitlab/-/issues/337193
https://hackerone.com/reports/1280077
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json
Published: 2022-04-01T22:17:38
Last Modified: 2024-08-04T02:20:33.693Z
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