A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.
Priority MEDIUM 45CWE-23Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-23 and the CVSS impact.
Summary
A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00888 59th percentileScored 2026-11-07
Fix Fixed PRTG Network Monitor (Paessler): 23.4.88.1429
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA PRTG Network Monitor (Paessler) Fixed in 23.4.88.1429
Timeline
- 2026-10-02 Threatist record created from CVE-2023-45858
- 2026-10-03 Alias added: GHSA-hcfg-59mx-h3rf
- 2026-10-09 EPSS moved to the 50th–90th percentile
References
More Paessler vulnerabilities
- TI-2018-13743 PRTG Network Monitor before 18.2.40.1683 allows remote unauthenticated attackers to… KEVCVSS 3.1CRITICAL 9.8
- TI-2018-06724 An issue was discovered in PRTG Network Monitor before 18.2.39. KEVCVSS 3.1HIGH 7.2
- TI-2023-16035 A command injection was identified in PRTG 23.2.84.1566 and earlier versions in the Dicom… CVSS 3.1HIGH 7.2
- TI-2022-16181 PRTG Network Monitor through 22.2.77.2204 does not prevent custom input for a device’s… CVSS 3.1MEDIUM 5.3
- TI-2026-04039 Reflected Cross-Site Scripting via URL Path in Paessler PRTG Network Monitor CVSS 4.0MEDIUM 5.1
- TI-2020-09265 PRTG Network Monitor before 20.1.57.1745 allows remote unauthenticated attackers to… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2023-45858 · CVE Program
- CVE-2023-45858 · NVD
- FIRST EPSS
- GHSA-hcfg-59mx-h3rf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences