CVE-2023-33189

Incorrect Authorization with specially crafted requests

Description

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.20%
Vendor Advisory github.com
Affected: pomerium pomerium
Published at:
Updated at:

References

Link Tags
https://github.com/pomerium/pomerium/security/advisories/GHSA-pvrc-wvj2-f59p vendor advisory
https://github.com/pomerium/pomerium/commit/d315e683357a9b587ba9ef399a8813bcc52fdebb patch
https://github.com/pomerium/pomerium/releases/tag/v0.17.4 release notes
https://github.com/pomerium/pomerium/releases/tag/v0.18.1 release notes
https://github.com/pomerium/pomerium/releases/tag/v0.19.2 release notes
https://github.com/pomerium/pomerium/releases/tag/v0.20.1 release notes
https://github.com/pomerium/pomerium/releases/tag/v0.21.4 release notes
https://github.com/pomerium/pomerium/releases/tag/v0.22.2 release notes

Frequently Asked Questions

What is the severity of CVE-2023-33189?
CVE-2023-33189 has been scored as a critical severity vulnerability.
How to fix CVE-2023-33189?
To fix CVE-2023-33189, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-33189 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-33189 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-33189?
CVE-2023-33189 affects pomerium pomerium.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.