CVE-2021-27381 Memory corruption in Solid Edge SE2020
An out-of-bounds read in Solid Edge allows attackers to execute arbitrary code via malicious PAR files.
- 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-2021-27381?
CVE-2021-27381 is a high-severity memory corruption vulnerability in Siemens Solid Edge SE2020, published on 15 Mar 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 Solid Edge SE2020 (All Versions < SE2020MP13), Solid Edge SE2021 (All Versions < SE2021MP3). Affected applications lack proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds read past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12534)
Weakness: CWE-125
Which versions are affected by CVE-2021-27381?
It affects 1 product.
Products include Siemens Solid Edge.
How do I fix CVE-2021-27381?
No fix has been published for CVE-2021-27381 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-2021-27381 being exploited?
There is no known exploitation of CVE-2021-27381 in the wild and no public exploit code.
Other vulnerabilities in Siemens Solid Edge SE2020
Sources
Also known as GHSA-wh3m-p774-6x4g.