CVE-2023-45858
Received Received - Intake

Directory Traversal in Paessler PRTG Network Monitor

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: MITRE

Description
A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.

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Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-14
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2023-45858
EUVD
EUVD-2023-60668

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
paessler prtg to 23.4.88.1429 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-23 The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.

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Executive Summary

CVE-2023-45858 is a directory traversal vulnerability in Paessler PRTG before version 23.4.88.1429. It allows unauthorized reading of local files on the system by exploiting a flaw in the PRTG Webserver. The vulnerability can be triggered without authentication.

Impact Analysis

This vulnerability could allow attackers to access sensitive files on the system where PRTG is installed. This may lead to data breaches, unauthorized information disclosure, or further exploitation of the affected system.

Mitigation Strategies

Update PRTG to version 23.4.88.1429 or later to address the path traversal vulnerability. Apply the hotfix release provided by Paessler to fix the issue.

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