Vulnerability · Published Feb 8, 2024 · Assigned by zdi

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

High 8.8

In plain English

A high-severity cross-site scripting in PRTG Network Monitor from Paessler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)1.7%top 22.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Paessler	PRTG Network Monitor	23.2.84.1566

Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ZDI-24-073 x_research-advisory