CVE-2021-39206highCWE-863

CVE-2021-39206: high-severity vulnerability in pomerium

Incorrect Authorization with specially crafted requests

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.6epss 1.5%
Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, contains two authorization related vulnerabilities CVE-2021-32777 and CVE-2021-32779. This may lead to incorrect routing or authorization policy decisions. With specially crafted requests, incorrect authorization or routing decisions may be made by Pomerium. Pomerium v0.14.8 and v0.15.1 contain an upgraded envoy binary with these vulnerabilities patched. This issue can only be triggered when using path prefix based policy. Removing any such policies should provide mitigation.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Affected products
pomerium · pomerium
Related CVEs — pomerium

In the same product, most dangerous first.

CVE-2021-39204HIGHExcessive CPU usage in PomeriumEPSS 1.7%CVE-2021-39162HIGHIncorrect handling of H2 GOAWAY + SETTINGS framesEPSS 1.6%CVE-2022-24797MEDIUMExposure of Sensitive Information in PomeriumEPSS 1.4%CVE-2023-33189CRITICALIncorrect Authorization with specially crafted requestsEPSS 0.9%CVE-2021-41230MEDIUMOIDC claims not updated from Identity Provider in PomeriumEPSS 0.9%CVE-2026-50285HIGHPomerium: Pre-Auth Memory Exhaustion via Unbounded zstd Decompression in HPKE CallbackEPSS 0.7%