What is CVE-2023-35944?

CVE-2023-35944 is a high-severity vulnerability in Envoyproxy Envoy, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2023-07-25.

How severe is CVE-2023-35944?

High severity. CVSS v3 base score is 8.2 out of 10.

Improper input validation in Envoyproxy Envoy

CVE-2023-35944

Envoy is an open source edge and service proxy designed for cloud-native applications. Envoy allows mixed-case schemes in HTTP/2, however, some internal scheme checks are case-sensitive. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, a…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (0.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

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-20 — Improper Input Validation

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-pvgm-7jpg-pw5g (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2023-35944?: CVE-2023-35944 is a high-severity vulnerability in Envoyproxy Envoy, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2023-07-25.
How severe is CVE-2023-35944?: High severity. CVSS v3 base score is 8.2 out of 10.