CVE-2020-13537 Privilege escalation in Moxa
Local attackers can escalate privileges to SYSTEM by modifying insecure file permissions in Moxa MXView, allowing arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-13537?
CVE-2020-13537 is a critical vulnerability in Moxa, published on 5 Nov 2020. 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 Moxa MXView series 3.1.8 installation. Depending on the vector chosen, an attacker can either add code to a script or replace a binary.By default MXViewService, which starts as a NT SYSTEM authority user executes a series of Node.Js scripts to start additional application functionality and among them the mosquitto executable is also run.
Weakness: CWE-276
Which versions are affected by CVE-2020-13537?
It affects 1 product.
Products include Moxa Mxview.
How do I fix CVE-2020-13537?
No fix has been published for CVE-2020-13537 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-13537 being exploited?
There is no known exploitation of CVE-2020-13537 in the wild and no public exploit code.
Other vulnerabilities in Moxa
Sources
Also known as GHSA-9vx5-p3h2-529c.