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CVE-2023-0921

MEDIUM
Published 2023-06-06T00:00:00
Actions:

Expert Analysis

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CVSS Score

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

EPSS Score

v2025.03.14
0.105
probability
of exploitation in the wild

There is a 10.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.929
Higher than 92.9% 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
NONE
Availability
LOW

Description

A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitLab

GitLab

Affected Versions:

>=8.3, <15.10.8 >=15.11, <15.11.7 >=16.0, <16.0.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-p96p-59v7-xxp6

Advisory Details

A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-0921
WEB https://hackerone.com/reports/1869839
WEB https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0921.json
WEB https://gitlab.com/gitlab-org/gitlab/-/issues/392433

Advisory provided by GitHub Security Advisory Database. Published: June 6, 2023, Modified: April 4, 2024

References

https://gitlab.com/gitlab-org/gitlab/-/issues/392433
https://hackerone.com/reports/1869839
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0921.json
Published: 2023-06-06T00:00:00
Last Modified: 2025-01-07T21:51:37.372Z
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