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: 0.012 (65.8th 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
- Envoyproxy Envoy — versions < 1.22.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
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.