CVE-2023-45858
High
Description
A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.
SeverityHigh
CVSS8.6
Exploit probability—
Product
PRTG Network Monitor
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-23CWE-23
How to fix
Update
- Paessler PRTG Network Monitor23.4.88.1429 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Paessler PRTG Network Monitor | v < 23.4.88.1429 | 23.4.88.1429 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.