CVE-2024-11839 Insecure Deserialization via Runbooks Imports

High 8.6 Published 13 Dec 2024 Updated 23 Dec 2024

Attackers can achieve arbitrary file writes and code execution via insecure deserialization in PlexTrac Runbooks imports.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-11839?

CVE-2024-11839 is a high-severity unsafe deserialization vulnerability in PlexTrac, published on 13 Dec 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Deserialization of Untrusted Data vulnerability in PlexTrac (Runbooks modules) which allows Object Injection and arbitrary file writes.This issue affects PlexTrac: from 1.61.3 before 2.8.1.

Weakness: CWE-502

Which versions are affected by CVE-2024-11839?

It affects 1 product.

Products include Plextrac Plextrac.

How do I fix CVE-2024-11839?

No fix has been published for CVE-2024-11839 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-2024-11839 being exploited?

There is no known exploitation of CVE-2024-11839 in the wild and no public exploit code.

Sources

Also known as GHSA-w63c-298x-f557.