CVE-2020-10048 Auth bypass in SIMATIC PCS 7
An attacker can bypass password protection on SIMATIC PCS 7 and WinCC files to access protected content without authentication.
- 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-2020-10048?
CVE-2020-10048 is a medium-severity authentication bypass vulnerability in Siemens SIMATIC PCS 7, 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 SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication.
Which versions are affected by CVE-2020-10048?
It affects 2 products.
Products include Siemens Simatic Pcs 7, Siemens Simatic Wincc.
How do I fix CVE-2020-10048?
No fix has been published for CVE-2020-10048 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-10048 being exploited?
There is no known exploitation of CVE-2020-10048 in the wild and no public exploit code.
Other vulnerabilities in Siemens SIMATIC PCS 7
Sources
Also known as GHSA-vmjg-j3qq-h4fv.