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CVE-2023-41081

7.5 · HIGH

Important: Authentication Bypass CVE-2023-41081 The mod_jk component of Apache Tomcat Connectors in some circumstances, such as when a configuration included "JkOptions +ForwardDirectories" but th…

Published Sep 13, 2023EPSS 1.59%

Overview

CVE-2023-41081 is a high-severity vulnerability. It was published on September 13, 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

Important: Authentication Bypass CVE-2023-41081

The mod_jk component of Apache Tomcat Connectors in some circumstances, such as when a configuration included "JkOptions +ForwardDirectories" but the configuration did not provide explicit mounts for all possible proxied requests, mod_jk would use an implicit mapping and map the request to the first defined worker. Such an implicit mapping could result in the unintended exposure of the status worker and/or bypass security constraints configured in httpd. As of JK 1.2.49, the implicit mapping functionality has been removed and all mappings must now be via explicit configuration. Only mod_jk is affected by this issue. The ISAPI redirector is not affected.

This issue affects Apache Tomcat Connectors (mod_jk only): from 1.2.0 through 1.2.48.

Users are recommended to upgrade to version 1.2.49, which fixes the issue.

History

2023-09-13 Original advisory

2023-09-28 Updated summary

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

Refwww.openwall.com/lists/oss-security/2023/09/28/7Reflists.apache.org/thread/rd1r26w7271jyqgzr4492tooyt583d8bReflists.debian.org/debian-lts-announce/2023/09/msg00027.htmlRefwww.openwall.com/lists/oss-security/2023/09/13/2Refwww.openwall.com/lists/oss-security/2023/09/28/7Reflists.apache.org/thread/rd1r26w7271jyqgzr4492tooyt583d8bReflists.debian.org/debian-lts-announce/2023/09/msg00027.htmlRefwww.openwall.com/lists/oss-security/2023/09/13/2

How CyberStrike helps

Frequently asked questions

What is CVE-2023-41081?

CVE-2023-41081 is a high-severity vulnerability. It was published on September 13, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-41081?

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-2023-41081?

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-2023-41081?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-41081 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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