What is CVE-2023-1733?

CVE-2023-1733 is a medium-severity vulnerability in GitLab, classified under Uncontrolled Resource Consumption. CVSS score: 5.8/10. Published 2023-04-05.

How severe is CVE-2023-1733?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Resource exhaustion in GitLab

CVE-2023-1733

A denial of service condition exists in the Prometheus server bundled with GitLab affecting all versions from 11.10 to 15.8.5, 15.9 to 15.9.4 and 15.10 to 15.10.1.

Vulnerability class: DoS (Denial of Service)

Published 2023-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.012 (68.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

GitLab — versions >=11.10, <15.8.5, 15.10.0, >=15.9, <15.9.4

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

gitlab.com/gitlab-org/gitlab/-/issues/392665 (Broken Link)
hackerone.com/reports/1723124 (Permissions Required)
gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1733.json (Vendor Advisory)

Frequently asked questions

What is CVE-2023-1733?: CVE-2023-1733 is a medium-severity vulnerability in GitLab, classified under Uncontrolled Resource Consumption. CVSS score: 5.8/10. Published 2023-04-05.
How severe is CVE-2023-1733?: Medium severity. CVSS v3 base score is 5.8 out of 10.