CVE-2019-18311 Denial of service in SPPA-T3000 MS3000 Migration Server

High 7.5 Published 12 Dec 2019 Updated 5 Aug 2024

An attacker with network access can cause a Denial-of-Service condition in the Siemens SPPA-T3000 MS3000 Migration Server by sending 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-2019-18311?

CVE-2019-18311 is a high-severity denial of service vulnerability in Siemens SPPA-T3000 MS3000 Migration 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 MS3000 Migration Server (All versions). An attacker with network access to the MS3000 Server could trigger a Denial-of-Service condition by sending specifically crafted packets to port 7061/tcp. This vulnerability is independent from CVE-2019-18310. Please note that an attacker needs to have network access to the MS3000 in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

Weakness: CWE-306, CWE-952

Which versions are affected by CVE-2019-18311?

It affects 1 product.

Products include Siemens Sppa-T3000 Ms3000 Migration Server.

How do I fix CVE-2019-18311?

No fix has been published for CVE-2019-18311 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-18311 being exploited?

There is no known exploitation of CVE-2019-18311 in the wild and no public exploit code.

Sources

Also known as GHSA-h4qw-99jp-7g9f.