CVE-2021-27399 Memory corruption in Simcenter Femap 2020.2

High 7.8 Published Updated

An attacker can execute arbitrary code by tricking a user into opening a malicious FEMAP file in Simcenter Femap.

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-2021-27399?

CVE-2021-27399 is a high-severity memory corruption vulnerability in Siemens Simcenter Femap, published on 8 Jun 2021. 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 Simcenter Femap 2020.2 (All versions < V2020.2.MP3), Simcenter Femap 2021.1 (All versions < V2021.1.MP3). The femap.exe application lacks proper validation of user-supplied data when parsing FEMAP files. This could result in an out of bounds write past the end of an allocated structure, a different vulnerability than CVE-2021-27387. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12820)

Weakness: CWE-787

Which versions are affected by CVE-2021-27399?

It affects 1 product.

Products include Siemens Simcenter Femap.

How do I fix CVE-2021-27399?

No fix has been published for CVE-2021-27399 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-27399 being exploited?

There is no known exploitation of CVE-2021-27399 in the wild and no public exploit code.

All Siemens Simcenter Femap vulnerabilities

Sources

Also known as GHSA-2px6-897q-9wvw.

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