What is CVE-2022-3100?

CVE-2022-3100 is a medium-severity vulnerability in OpenStack Barbican, classified under Authentication Bypass by Primary Weakness. CVSS score: 5.9/10. Published 2023-01-18.

How severe is CVE-2022-3100?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in OpenStack Barbican

CVE-2022-3100

A flaw was found in the openstack-barbican component. This issue allows an access policy bypass via a query string when accessing the API.

Published 2023-01-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (39.0th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

OpenStack Barbican
Red Hat Enterprise Linux Eus — versions 7.6
Red Hat OpenStack — versions 13, 16.1, 16.2
Red Hat OpenStack For IBM Power — versions 13, 16.1, 16.2
Red Hat OpenStack Platform — versions 13.0
Red Hat OpenStack Platform — versions 13.0-17.0

Weakness classification (CWE)

CWE-305 — Authentication Bypass by Primary Weakness

References

access.redhat.com/security/cve/CVE-2022-3100 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-3100?: CVE-2022-3100 is a medium-severity vulnerability in OpenStack Barbican, classified under Authentication Bypass by Primary Weakness. CVSS score: 5.9/10. Published 2023-01-18.
How severe is CVE-2022-3100?: Medium severity. CVSS v3 base score is 5.9 out of 10.