CVE-2020-13555 Privilege escalation in Advantech
Local attackers can escalate privileges to SYSTEM by replacing binaries or modules in Advantech WebAccess/SCADA due to insecure file permissions.
- 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-2020-13555?
CVE-2020-13555 is a high-severity vulnerability in Advantech, published on 17 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In COM Server Application Privilege Escalation, an attacker can either replace binary or loaded modules to execute code with NT SYSTEM privilege.
Weakness: CWE-276
Which versions are affected by CVE-2020-13555?
It affects 1 product.
Products include Advantech Webaccess\/Scada.
How do I fix CVE-2020-13555?
No fix has been published for CVE-2020-13555 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-13555 being exploited?
There is no known exploitation of CVE-2020-13555 in the wild and no public exploit code.
Other vulnerabilities in Advantech
Sources
Also known as GHSA-p5fj-p4px-rj6r.