CVE-2021-36717 Synerion TimeNet version 9.21 - Directory Traversal
Attackers can exploit a directory traversal flaw in the Name parameter to view restricted files on the host system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-36717?
CVE-2021-36717 is a medium-severity path traversal vulnerability in Synerion TimeNet version, published on 7 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Synerion TimeNet version 9.21 contains a directory traversal vulnerability where, on the "Name" parameter, the attacker can return to the root directory and open the host file. This might give the attacker the ability to view restricted files, which could provide the attacker with more information required to further compromise the system.
Weakness: CWE-22
Which versions are affected by CVE-2021-36717?
It affects 1 product.
Products include Synerion Timenet.
How do I fix CVE-2021-36717?
No fix has been published for CVE-2021-36717 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-2021-36717 being exploited?
There is no known exploitation of CVE-2021-36717 in the wild and no public exploit code.
Sources
Also known as GHSA-rwww-93cx-4h2h.