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CVE-2023-38493

7.5 · HIGH

Armeria is a microservice framework Spring supports Matrix variables.

Published Jul 25, 2023CWE-863EPSS 0.72%

Overview

CVE-2023-38493 is a high-severity vulnerability. It was published on July 25, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Armeria is a microservice framework Spring supports Matrix variables. When Spring integration is used, Armeria calls Spring controllers via `TomcatService` or `JettyService` with the path that may contain matrix variables. Prior to version 1.24.3, the Armeria decorators might not invoked because of the matrix variables. If an attacker sends a specially crafted request, the request may bypass the authorizer. Version 1.24.3 contains a patch for this issue.

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

Refdocs.spring.io/spring-framework/reference/web/webmvc/mvc-controller/ann-methods/matrix-variables.htmlGitHubgithub.com/line/armeria/commit/039db50bbfc88014ea8737fd1e1ddd6fd3fc4f07GitHubgithub.com/line/armeria/security/advisories/GHSA-wvp2-9ppw-337jRefdocs.spring.io/spring-framework/reference/web/webmvc/mvc-controller/ann-methods/matrix-variables.htmlGitHubgithub.com/line/armeria/commit/039db50bbfc88014ea8737fd1e1ddd6fd3fc4f07GitHubgithub.com/line/armeria/security/advisories/GHSA-wvp2-9ppw-337j

How CyberStrike helps

Frequently asked questions

What is CVE-2023-38493?

CVE-2023-38493 is a high-severity vulnerability. It was published on July 25, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-38493?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-38493?

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-2023-38493?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-38493 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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