An issue has been discovered in GitLab affecting all versions starting from 11.9 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. The condition allows for a privileged attacker, under certain conditions, to obtain session tokens from all users of a GitLab instance.
Published 2023-05-03 21:15:17
Updated 2023-05-09 20:37:58
Source GitLab Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-1265

0.34%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-1265

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.4
MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N
1.0
4.0
GitLab Inc.
4.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
0.9
3.6
NIST

CWE ids for CVE-2023-1265

  • Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-1265

Products affected by CVE-2023-1265

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