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CVE-2024-1347: Authentication Bypass by Spoofing in GitLab

4.3 CVSS

Description

An issue has been discovered in GitLab CE/EE affecting all versions before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. Under certain conditions, an attacker through a crafted email address may be able to bypass domain based restrictions on an instance or a group.

Classification

CVE ID: CVE-2024-1347

CVSS Base Severity: MEDIUM

CVSS Base Score: 4.3

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

Problem Types

CWE-290: Authentication Bypass by Spoofing

Affected Products

Vendor: GitLab

Product: GitLab

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 1.79% (scored less or equal to compared to others)

EPSS Date: 2025-06-19 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-1347
https://gitlab.com/gitlab-org/gitlab/-/issues/441093
https://hackerone.com/reports/2355565

Timeline