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CVE-2023-34981

7.5 · HIGH

A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for…

Published Jun 21, 2023CWE-732EPSS 1.12%

Overview

CVE-2023-34981 is a high-severity vulnerability. It was published on June 21, 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

A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.

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

Reflists.apache.org/thread/j1ksjh9m9gx1q60rtk1sbzmxhvj5h5qzRefsecurity.netapp.com/advisory/ntap-20230714-0003/Reflists.apache.org/thread/j1ksjh9m9gx1q60rtk1sbzmxhvj5h5qzRefsecurity.netapp.com/advisory/ntap-20230714-0003/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-34981?

CVE-2023-34981 is a high-severity vulnerability. It was published on June 21, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-34981?

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-2023-34981?

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-2023-34981?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-34981 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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