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CVE-2024-23323

4.3 · MEDIUM

Envoy is a high-performance edge/middle/service proxy.

Published Feb 9, 2024CWE-400EPSS 0.50%

Overview

CVE-2024-23323 is a medium-severity vulnerability. It was published on February 9, 2024 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645GitHubgithub.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7chGitHubgithub.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645GitHubgithub.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch

How CyberStrike helps

Frequently asked questions

What is CVE-2024-23323?

CVE-2024-23323 is a medium-severity vulnerability. It was published on February 9, 2024 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-23323?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-23323?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-23323?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-23323 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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