CVE-2020-24990 Path traversal in n/a
Remote attackers can exploit a TFTP directory traversal flaw in QSC Q-SYS Core Manager to read sensitive operating system 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-2020-24990?
CVE-2020-24990 is a high-severity path traversal vulnerability in n/a, published on 28 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in QSC Q-SYS Core Manager 8.2.1. By utilizing the TFTP service running on UDP port 69, a remote attacker can perform a directory traversal and obtain operating system files via a TFTP GET request, as demonstrated by reading /etc/passwd or /proc/version.
Weakness: CWE-22
Which versions are affected by CVE-2020-24990?
It affects 1 product.
Products include Qsc Q-Sys Core Manager.
How do I fix CVE-2020-24990?
No fix has been published for CVE-2020-24990 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-2020-24990 being exploited?
There is no known exploitation of CVE-2020-24990 in the wild and no public exploit code.
Sources
Also known as GHSA-3wqf-jxw5-8w54.