CVE-2019-18316 Deserialization in SPPA-T3000 Application Server

Q: Is CVE-2019-18316 being exploited?

There is no known exploitation of CVE-2019-18316 in the wild and no public exploit code.

Q: How do I fix CVE-2019-18316?

No fix has been published for CVE-2019-18316 yet. Limit exposure of the affected software until one is available.

Critical 9.8 Published 12 Dec 2019 Updated 5 Aug 2024

An attacker with network access can achieve remote code execution on the SPPA-T3000 Application Server via crafted packets.

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-2019-18316?

CVE-2019-18316 is a critical unsafe deserialization vulnerability in Siemens SPPA-T3000 Application Server, published on 12 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). An attacker with network access to the Application Server could gain remote code execution by sending specifically crafted packets to 1099/tcp. Please note that an attacker needs to have network access to the Application Server in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

Weakness: CWE-502

Which versions are affected by CVE-2019-18316?

It affects 1 product.

Products include Siemens Sppa-T3000 Application Server.

How do I fix CVE-2019-18316?

No fix has been published for CVE-2019-18316 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-2019-18316 being exploited?

There is no known exploitation of CVE-2019-18316 in the wild and no public exploit code.

Sources

Also known as GHSA-p6r9-jhw3-x2g6.