CVE-2021-27220 Path traversal in n/a
Attackers can verify the existence of files on the PRTG Network Monitor web server filesystem by manipulating screenshot context paths.
- 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-2021-27220?
CVE-2021-27220 is a medium-severity path traversal vulnerability in n/a, published on 31 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in PRTG Network Monitor before 21.1.66.1623. By invoking the screenshot functionality with prepared context paths, an attacker is able to verify the existence of certain files on the filesystem of the PRTG's Web server.
Which versions are affected by CVE-2021-27220?
It affects 1 product.
Products include Paessler Prtg Network Monitor.
How do I fix CVE-2021-27220?
No fix has been published for CVE-2021-27220 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-2021-27220 being exploited?
There is no known exploitation of CVE-2021-27220 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-19410 Paessler PRTG Network Monitor Local File Inclusion
- CVE-2018-9276 Paessler PRTG Network Monitor OS Command Injection
- CVE-2020-10374 Command injection in n/a
- CVE-2023-51630 Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability
- CVE-2023-31452 Cross-site request forgery in n/a
Sources
Also known as GHSA-cjhp-wcj5-mpxc.