What is CVE-2024-23324?

CVE-2024-23324 is a high-severity vulnerability in Envoyproxy Envoy, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2024-02-09.

How severe is CVE-2024-23324?

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

Is CVE-2024-23324 known to be exploited?

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

Improper input validation in Envoyproxy Envoy

CVE-2024-23324

Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to ext_authz, circumventing ext_authz checks when failu…

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

EPSS: 0.000 (11.0th 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:C/C:H/I:N/A:N.

Affected products

Envoyproxy Envoy — versions >= 1.29.0, < 1.29.1, >= 1.28.0, < 1.28.1, >= 1.27.0, < 1.27.3

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-gq3v-vvhj-96j6 (x_refsource_CONFIRM)
https://github.com/envoyproxy/envoy/commit/29989f6cc8bfd8cd2ffcb7c42711eb02c7a5168a (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-23324?: CVE-2024-23324 is a high-severity vulnerability in Envoyproxy Envoy, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2024-02-09.
How severe is CVE-2024-23324?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2024-23324 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.