What is CVE-2022-29226?

CVE-2022-29226 is a critical-severity vulnerability in Envoyproxy Envoy, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2022-06-09.

How severe is CVE-2022-29226?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2022-29226 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Envoyproxy Envoy

CVE-2022-29226

Envoy is a cloud-native high-performance proxy. In versions prior to 1.22.1 the OAuth filter implementation does not include a mechanism for validating access tokens, so by design when the HMAC signed cookie is missing a full authenticatio…

Vulnerability class: Broken Authentication

EPSS: 0.001 (25.6th 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

Envoyproxy Envoy — versions < 1.22.1

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

github.com/envoyproxy/envoy/commit/7ffda4e809dec74449ebc330cebb9d2f4ab61360 (x_refsource_MISC)
github.com/envoyproxy/envoy/security/advisories/GHSA-h45c-2f94-prxh (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2022-29226?: CVE-2022-29226 is a critical-severity vulnerability in Envoyproxy Envoy, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2022-06-09.
How severe is CVE-2022-29226?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2022-29226 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.