What’s Vulnerable › Vulnerabilities

CVE-2023-31452

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-09 · updated 2026-06-17
• Weakness: CWE-352

Description

A cross-site request forgery (CSRF) token bypass was identified in PRTG 23.2.84.1566 and earlier versions that allows remote attackers to perform actions with the permissions of a victim user, provided the victim user has an active session and is induced to trigger the malicious request. This could force PRTG to execute different actions, such as creating new users. The severity of this vulnerability is high and received a score of 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

• Paessler PRTG: before 23.3.86.1520 — fixed in 23.3.86.1520

How to fix

Upgrade to a fixed version: Paessler PRTG 23.3.86.1520. Check the vendor advisory for mitigations.

References

• https://kb.paessler.com/en/topic/91845-multiple-vulnerabilites-fixed-in-paessler-prtg-network-monitor-23-3-86-1520
• https://www.paessler.com/prtg/history/prtg-23#23.3.86.1520
• https://www.paessler.com/prtg/history/stable
• https://kb.paessler.com/en/topic/91845-multiple-vulnerabilites-fixed-in-paessler-prtg-network-monitor-23-3-86-1520
• https://www.paessler.com/prtg/history/prtg-23#23.3.86.1520
• https://www.paessler.com/prtg/history/stable

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