CVE-2023-27859 IBM Db2 code execution

Medium 6.5 Published 22 Jan 2024 Updated 20 Jun 2025

Remote attackers can execute arbitrary code by installing malicious jar files that overwrite existing ones in IBM Db2 databases.

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

What is CVE-2023-27859?

CVE-2023-27859 is a medium-severity code injection vulnerability in Ibm Db2, published on 22 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Db2 10.1, 10.5, and 11.1 could allow a remote user to execute arbitrary code caused by installing like named jar files across multiple databases. A user could exploit this by installing a malicious jar file that overwrites the existing like named jar file in another database. IBM X-Force ID: 249205.

Weakness: CWE-427

Which versions are affected by CVE-2023-27859?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2023-27859?

No fix has been published for CVE-2023-27859 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-27859 being exploited?

There is no known exploitation of CVE-2023-27859 in the wild and no public exploit code.

All Ibm Db2 vulnerabilities

Sources

Also known as GHSA-xpvh-pm8h-2p8g.