CVE-2019-18315 Auth bypass in SPPA-T3000 Application Server

Q: Is CVE-2019-18315 being exploited?

There is no known exploitation of CVE-2019-18315 in the wild and no public exploit code.

Q: How do I fix CVE-2019-18315?

No fix has been published for CVE-2019-18315 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 due to an authentication bypass.

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-2019-18315?

CVE-2019-18315 is a critical authentication bypass 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 8888/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-287

Which versions are affected by CVE-2019-18315?

It affects 1 product.

Products include Siemens Sppa-T3000 Application Server.

How do I fix CVE-2019-18315?

No fix has been published for CVE-2019-18315 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-18315 being exploited?

There is no known exploitation of CVE-2019-18315 in the wild and no public exploit code.

Sources

Also known as GHSA-39h8-5656-9hw5.