What is CVE-2023-35941?

CVE-2023-35941 is a high-severity vulnerability in Envoyproxy Envoy, classified under Improper Encoding or Escaping of Output. CVSS score: 8.6/10. Published 2023-07-25.

How severe is CVE-2023-35941?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Envoyproxy Envoy

CVE-2023-35941

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, a malicious client is able to construct credentials with permanent validity in some spec…

EPSS: 0.001 (19.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.

Affected products

Envoyproxy Envoy — versions >= 1.26.0, < 1.26.4, >= 1.25.0, < 1.25.9, >= 1.24.0, < 1.24.10

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-7mhv-gr67-hq55 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2023-35941?: CVE-2023-35941 is a high-severity vulnerability in Envoyproxy Envoy, classified under Improper Encoding or Escaping of Output. CVSS score: 8.6/10. Published 2023-07-25.
How severe is CVE-2023-35941?: High severity. CVSS v3 base score is 8.6 out of 10.