CVE-2019-20049 Path traversal in n/a
Remote unauthenticated attackers can achieve SYSTEM-level code execution on OmniVista 4760 devices by chaining directory traversal with insecure file upload.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-20049?
CVE-2019-20049 is a critical path traversal vulnerability in n/a, published on 27 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered on Alcatel-Lucent OmniVista 4760 devices. A remote unauthenticated attacker can chain a directory traversal (which helps to bypass authentication) with an insecure file upload to achieve Remote Code Execution as SYSTEM. The directory traversal is in the __construct() whereas the insecure file upload is in SetSkinImages().
Which versions are affected by CVE-2019-20049?
It affects 1 product.
Products include Al-Enterprise Omnivista 4760.
How do I fix CVE-2019-20049?
No fix has been published for CVE-2019-20049 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-20049 being exploited?
There is no known exploitation of CVE-2019-20049 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-m4xm-rpf5-x7rv.