Auth bypass in Pomerium

CVE-2023-33189

Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization decisions may be made by Pomerium. This issue has been patched in versions 0.17.4, 0.18.1, 0.19.2, 0.20.1, 0.21.4 and 0.22.2.

EPSS: 0.009 (55.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

  • Pomerium — versions >= 0.20.0, < 0.20.1, 0.18.0, 0.20.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-33189?
CVE-2023-33189 is a critical-severity vulnerability in Pomerium, classified under Improper Authorization. CVSS score: 10.0/10. Published 2023-05-30.
How severe is CVE-2023-33189?
Critical severity. CVSS v3 base score is 10.0 out of 10.