CVE-2020-25238 Privilege escalation in PCS neo (Administration Console)
A local attacker with limited access can manipulate files to execute code with SYSTEM privileges in Siemens PCS neo and TIA Portal.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-25238?
CVE-2020-25238 is a high-severity vulnerability in Siemens PCS neo (Administration Console), published on 9 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). Manipulating certain files in specific folders could allow a local attacker to execute code with SYSTEM privileges. The security vulnerability could be exploited by an attacker with a valid account and limited access rights on the system.
Which versions are affected by CVE-2020-25238?
It affects 2 products.
Products include Siemens Simatic Process Control System Neo, Siemens Totally Integrated Automation Portal.
How do I fix CVE-2020-25238?
No fix has been published for CVE-2020-25238 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-25238 being exploited?
There is no known exploitation of CVE-2020-25238 in the wild and no public exploit code.
Sources
Also known as GHSA-xj9q-pj74-p2j4.