CVE-2019-10924 Deserialization in LOGO! Soft Comfort

High 7.8 Published Updated

An attacker can execute arbitrary code by tricking a user into opening a manipulated project file in Siemens LOGO! Soft Comfort.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-10924?

CVE-2019-10924 is a high-severity unsafe deserialization vulnerability in Siemens LOGO! Soft Comfort, published on 14 May 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in LOGO! Soft Comfort (All versions < V8.3). The vulnerability could allow an attacker to execute arbitrary code if the attacker tricks a legitimate user to open a manipulated project. In order to exploit the vulnerability, a valid user must open a manipulated project file. No further privileges are required on the target system. The vulnerability could compromise the confidentiality, integrity and availability of the engineering station. At the time of advisory publication no public exploitation of this security vulnerability was known.

Weakness: CWE-502

Which versions are affected by CVE-2019-10924?

It affects 1 product.

Products include Siemens Logo\! Soft Comfort.

How do I fix CVE-2019-10924?

No fix has been published for CVE-2019-10924 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-2019-10924 being exploited?

There is no known exploitation of CVE-2019-10924 in the wild and no public exploit code.

Sources

Also known as GHSA-3334-f37q-2m8x.

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