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CVE-2023-45146

9.0 · CRITICAL

XXL-RPC is a high performance, distributed RPC framework.

Published Oct 18, 2023CWE-502EPSS 1.05%

Overview

CVE-2023-45146 is a critical-severity vulnerability. It was published on October 18, 2023 and has a CVSS 3.1 base score of 9.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

XXL-RPC is a high performance, distributed RPC framework. With it, a TCP server can be set up using the Netty framework and the Hessian serialization mechanism. When such a configuration is used, attackers may be able to connect to the server and provide malicious serialized objects that, once deserialized, force it to execute arbitrary code. This can be abused to take control of the machine the server is running by way of remote code execution. This issue has not been fixed.

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

GitHubsecuritylab.github.com/advisories/GHSL-2023-052_XXL-RPC/GitHubsecuritylab.github.com/advisories/GHSL-2023-052_XXL-RPC/Refwww.vicarius.io/vsociety/posts/xxl-rpc-rce-cve-2023-45146

How CyberStrike helps

Frequently asked questions

What is CVE-2023-45146?

CVE-2023-45146 is a critical-severity vulnerability. It was published on October 18, 2023 and has a CVSS 3.1 base score of 9.0 (CRITICAL).

How severe is CVE-2023-45146?

This vulnerability has a CVSS 3.1 base score of 9.0, 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-2023-45146?

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-2023-45146?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-45146 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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