What’s Vulnerable › Vulnerabilities

CVE-2020-14073

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-23 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• Paessler PRTG: 20.1.56.1574

References

• http://packetstormsecurity.com/files/160312/PRTG-Network-Monitor-20.4.63.1412-Cross-Site-Scripting.html
• https://gist.github.com/alert3/e058baa33c31695f4168a1dbf77103df
• https://kb.paessler.com/en/topic/88223-what-s-the-open-vulnerability-report-cve-2020-14073-that-my-security-tracker-informed-me-about
• https://www.paessler.com/prtg/history/stable
• http://packetstormsecurity.com/files/160312/PRTG-Network-Monitor-20.4.63.1412-Cross-Site-Scripting.html
• https://gist.github.com/alert3/e058baa33c31695f4168a1dbf77103df
• https://kb.paessler.com/en/topic/88223-what-s-the-open-vulnerability-report-cve-2020-14073-that-my-security-tracker-informed-me-about
• https://www.paessler.com/prtg/history/stable

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