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CVE-2021-39873

MEDIUM
Published 2021-10-04T16:43:24
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Expert Analysis

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CVSS Score

V3.1
4.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.506
Higher than 50.6% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitLab

GitLab

Affected Versions:

>=1.0, <14.1.7 >=14.2, <14.2.5 >=14.3, <14.3.1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-pgwc-r5c3-jvg2

Advisory Details

In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.

CVSS Scoring

CVSS Score

5.0

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-39873
WEB https://hackerone.com/reports/504961
WEB https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json
WEB https://gitlab.com/gitlab-org/gitlab/-/issues/27241

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://gitlab.com/gitlab-org/gitlab/-/issues/27241
https://hackerone.com/reports/504961
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json
Published: 2021-10-04T16:43:24
Last Modified: 2024-08-04T02:20:33.651Z
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