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.

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.

EPSS: 0.007 (49.6th percentile) — read the EPSS interpretation.

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.

Affected products

Paessler Prtg Network Monitor

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

References

cve@mitre.org
cve@mitre.org

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.