TI-2020-11025 Aliases CVE-2020-14073 GHSA-x79c-9543-5545

XSS exists in PRTG Network Monitor 20.1.56.1574 via crafted map properties.

LOW 30CWE-79Published 2020-06-23 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

XSS exists in PRTG Network Monitor 20.1.56.1574 via crafted map properties. An attacker with Read/Write privileges can create a map, and then use the Map Designer Properties screen to insert JavaScript code. This can be exploited against any user with View Maps or Edit Maps access.

Why it matters now

EPSS 0.02857 86th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:paessler:prtg_network_monitor:20.1.56.1574:::::::*	20.1.56.1574	Vulnerable	Paessler

cpe:2.3:a:paessler:prtg_network_monitor:20.1.56.1574:*:*:*:*:*:*:* Versions 20.1.56.1574 Vulnerable ·Paessler

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-14073
2026-10-03 Alias added: GHSA-x79c-9543-5545

References

Exploit 2

Advisory 2

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-2020-09265 PRTG Network Monitor before 20.1.57.1745 allows remote unauthenticated attackers to… CVSS 3.1MEDIUM 5.3
TI-2020-08308 A webserver component in Paessler PRTG Network Monitor 19.2.50 to PRTG 20.1.56 allows… CVSS 3.1CRITICAL 9.8

See all 38 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences