CVE-2020-27643 Path traversal in n/a
Authenticated users can escalate privileges by creating junction points in the 1E Client directory to modify protected system files.
- 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-2020-27643?
CVE-2020-27643 is a medium-severity path traversal vulnerability in n/a, published on 29 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The %PROGRAMDATA%\1E\Client directory in 1E Client 5.0.0.745 and 4.1.0.267 allows remote authenticated users and local users to create and modify files in protected directories (where they would not normally have access to create or modify files) via the creation of a junction point to a system directory. This leads to partial privilege escalation.
Weakness: CWE-59
Which versions are affected by CVE-2020-27643?
It affects 1 product.
Products include 1e Client.
How do I fix CVE-2020-27643?
No fix has been published for CVE-2020-27643 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-2020-27643 being exploited?
There is no known exploitation of CVE-2020-27643 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7wjq-q3c8-8q2h.