CVE-2023-20864 Deserialization in VMware Aria Operations for Logs (formerly vRealize Log Insight)

Critical 9.8 Published 20 Apr 2023 Updated 5 Feb 2025

Unauthenticated attackers can execute arbitrary code as root via deserialization in VMware Aria Operations for Logs.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-20864?

CVE-2023-20864 is a critical unsafe deserialization vulnerability in Vmware Cloud Foundation, published on 20 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

VMware Aria Operations for Logs contains a deserialization vulnerability. An unauthenticated, malicious actor with network access to VMware Aria Operations for Logs may be able to execute arbitrary code as root.

Weakness: CWE-502

Which versions are affected by CVE-2023-20864?

It affects 2 products.

Products include Vmware Aria Operations for Logs, Vmware Cloud Foundation.

How do I fix CVE-2023-20864?

No fix has been published for CVE-2023-20864 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2023-20864 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-20864 exists.

Public exploit code: 1 Nuclei template.

All Vmware Cloud Foundation vulnerabilities

Sources

Also known as GHSA-8xj6-cxx5-jf7j.