CVE-2018-16494 Misconfiguration in Versa VOS
Insecure umask settings in Versa VOS allow authorized users to gain unauthorized access to files, potentially leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-16494?
CVE-2018-16494 is a high-severity vulnerability in Versa VOS, published on 26 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In VOS and overly permissive "umask" may allow for authorized users of the server to gain unauthorized access through insecure file permissions that can result in an arbitrary read, write, or execution of newly created files and directories. Insecure umask setting was present throughout the Versa servers.
Which versions are affected by CVE-2018-16494?
It affects 1 product.
Products include Versa-Networks Versa Operating System.
How do I fix CVE-2018-16494?
No fix has been published for CVE-2018-16494 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-16494 being exploited?
There is no known exploitation of CVE-2018-16494 in the wild and no public exploit code.
Other vulnerabilities in Versa VOS
Sources
Also known as GHSA-82r6-6mqq-4v58.