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CVE-2023-37895

9.8 · CRITICAL

Java object deserialization issue in Jackrabbit webapp/standalone on all platforms allows attacker to remotely execute code via RMIVersions up to (including) 2.20.10 (stable branch) and 2.21.17 (un…

Published Jul 25, 2023CWE-502EPSS 3.24%

Overview

CVE-2023-37895 is a critical-severity vulnerability. It was published on July 25, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Java object deserialization issue in Jackrabbit webapp/standalone on all platforms allows attacker to remotely execute code via RMIVersions up to (including) 2.20.10 (stable branch) and 2.21.17 (unstable branch) use the component "commons-beanutils", which contains a class that can be used for remote code execution over RMI.

Users are advised to immediately update to versions 2.20.11 or 2.21.18. Note that earlier stable branches (1.0.x .. 2.18.x) have been EOLd already and do not receive updates anymore.

In general, RMI support can expose vulnerabilities by the mere presence of an exploitable class on the classpath. Even if Jackrabbit itself does not contain any code known to be exploitable anymore, adding other components to your server can expose the same type of problem. We therefore recommend to disable RMI access altogether (see further below), and will discuss deprecating RMI support in future Jackrabbit releases.

How to check whether RMI support is enabledRMI support can be o

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

Refseclists.org/fulldisclosure/2023/Jul/43Refwww.openwall.com/lists/oss-security/2023/07/25/8Reflists.apache.org/[email protected]Reflists.apache.org/thread/j03b3qdhborc2jrhdc4d765d3jkh8bfwRefseclists.org/fulldisclosure/2023/Jul/43Refwww.openwall.com/lists/oss-security/2023/07/25/8Reflists.apache.org/[email protected]Reflists.apache.org/thread/j03b3qdhborc2jrhdc4d765d3jkh8bfw

How CyberStrike helps

Frequently asked questions

What is CVE-2023-37895?

CVE-2023-37895 is a critical-severity vulnerability. It was published on July 25, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-37895?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-37895?

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-2023-37895?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-37895 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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