What is CVE-2023-0838?

CVE-2023-0838 is a medium-severity vulnerability in Gitlab, classified under Information Disclosure. CVSS score: 5.5/10. Published 2023-04-05.

How severe is CVE-2023-0838?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Gitlab

CVE-2023-0838

An issue has been discovered in GitLab affecting versions starting from 15.1 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. A maintainer could modify a webhook URL to leak masked webhook secrets by adding a new parameter to the url. This addresses an incomplete fix for CVE-2022-4342.

Vulnerability class: Information Disclosure

EPSS: 0.007 (50.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Gitlab — versions >=15.1, <15.8.5, 15.10.0, >=15.9, <15.9.4

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@gitlab.com (Broken Link)
cve@gitlab.com (Permissions Required)
cve@gitlab.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-0838?: CVE-2023-0838 is a medium-severity vulnerability in Gitlab, classified under Information Disclosure. CVSS score: 5.5/10. Published 2023-04-05.
How severe is CVE-2023-0838?: Medium severity. CVSS v3 base score is 5.5 out of 10.