CVE-2021-31538 Path traversal in n/a
Attackers can exploit relative path traversal in LANCOM Unified Firewall devices to access unauthorized files.
- 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-2021-31538?
CVE-2021-31538 is a high-severity path traversal vulnerability in n/a, published on 10 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
LANCOM R&S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.
Weakness: CWE-22
Which versions are affected by CVE-2021-31538?
It affects 1 product.
Products include Lancom-Systems Lcos Fx.
How do I fix CVE-2021-31538?
No fix has been published for CVE-2021-31538 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-2021-31538 being exploited?
There is no known exploitation of CVE-2021-31538 in the wild and no public exploit code.
Sources
Also known as GHSA-r6mr-fq3c-f6ff.