Directory Traversal Vulnerability in Paessler PRTG Network Monitor
CVE-2023-45858

8.6HIGH

Key Information:

Vendor

Paessler

Status
Prtg Network Monitor
Vendor
CVE Published:
14 September 2026

What is CVE-2023-45858?

A directory traversal vulnerability has been discovered in Paessler PRTG Network Monitor prior to version 23.4.88.1429, allowing unauthorized access to local files on the server. This flaw can be exploited to read sensitive file contents, which poses significant risks to the confidentiality and integrity of the system. Users are advised to upgrade to the latest version to mitigate this risk.

Affected Version(s)

PRTG Network Monitor 0 < 23.4.88.1429

References

https://www.paessler.com/prtg/history/stable
https://helpdesk.paessler.com/en/support/solutions/articl...

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.