Path Traversal in Paessler Prtg Network Monitor

CVE-2023-45858

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-45858: held from 0.007 to 0.009.

EPSS over last 30 days · oldest: 0.007 · newest: 0.009 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-45858?
CVE-2023-45858 is a high-severity vulnerability in Paessler Prtg Network Monitor, classified under Relative Path Traversal. CVSS score: 8.6/10. Published 2026-09-14.
How severe is CVE-2023-45858?
High severity. CVSS v3 base score is 8.6 out of 10.