CVE-2019-6571 Denial of service in SIEMENS LOGO!8

High 7.5 Published Updated

An unauthenticated remote attacker can cause a denial-of-service condition on Siemens LOGO!8 devices by sending crafted packets to port 10005.

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-2019-6571?

CVE-2019-6571 is a high-severity denial of service vulnerability in SIEMENS LOGO!8, published on 12 Jun 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 SIEMENS LOGO!8 (6ED1052-xyyxx-0BA8 FS:01 to FS:06 / Firmware version V1.80.xx and V1.81.xx), SIEMENS LOGO!8 (6ED1052-xyy08-0BA0 FS:01 / Firmware version < V1.82.02). An attacker with network access to port 10005/tcp of the LOGO! device could cause a Denial-of-Service condition by sending specially crafted packets. The security vulnerability could be exploited by an unauthenticated attacker with network access to the affected service. No user interaction is required to exploit this security vulnerability. Successful exploitation of the security vulnerability compromises availability of the targeted system. At the time of advisory publication no public exploitation of this security vulnerability was known.

Weakness: CWE-119

Which versions are affected by CVE-2019-6571?

It affects 1 product.

Products include Siemens Logo\!8 Firmware.

How do I fix CVE-2019-6571?

No fix has been published for CVE-2019-6571 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-2019-6571 being exploited?

There is no known exploitation of CVE-2019-6571 in the wild and no public exploit code.

Sources

Also known as GHSA-jm58-x52x-wjf4.

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