Vulnerability · Published Sep 14, 2026 · Assigned by mitre
CVE-2023-45858
High 8.6
In plain English
A high-severity security flaw in PRTG Network Monitor from Paessler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.9%top 40.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Paessler | PRTG Network Monitor | 0 – before 23.4.88.1429 |
Weakness: CWE-23 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N