CVE-2023-51630 Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability

High 8.8 Published 8 Feb 2024 Updated 2 Aug 2024

Remote attackers can bypass authentication via cross-site scripting in the web console, requiring user interaction to execute arbitrary scripts.

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-2023-51630?

CVE-2023-51630 is a high-severity cross-site scripting vulnerability in Paessler PRTG Network Monitor, published on 8 Feb 2024. 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

Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Paessler PRTG Network Monitor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the web console. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system. . Was ZDI-CAN-21182.

Weakness: CWE-79

Which versions are affected by CVE-2023-51630?

It affects 1 product.

Products include Paessler Prtg Network Monitor.

How do I fix CVE-2023-51630?

No fix has been published for CVE-2023-51630 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-51630 being exploited?

There is no known exploitation of CVE-2023-51630 in the wild and no public exploit code.

Sources

Also known as GHSA-89xv-pghj-pfrv.