CVE-2020-14073 json
XSS exists in PRTG Network Monitor 20.1.56.1574 via crafted map properties.
published 2020-06-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6232
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 1
- Exploit-DB
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.
Timeline
- Published
- First public exploit (EDB-49156)
Exploit prediction
2.86% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-49156 PRTG Network Monitor 20.4.63.1412 - 'maps' Stored XSS webapps, 2020-12-02
- gist.github.com https://gist.github.com/alert3/e058baa33c31695f4168a1dbf77103df referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/160312/PRTG-Network-Monitor-20.4.63.1412-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
gist.github.com
/alert3/e058baa33c31695f4168a1dbf77103df
exploit, third-party-advisory
-
packetstormsecurity.com
/files/160312/PRTG-Network-Monitor-20.4.63.1412-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
-
paessler.com
/prtg/history/stable
release-notes, vendor-advisory
-
kb.paessler.com
/en/topic/88223-what-s-the-open-vulnerability-report-cve-2020-14073-that-my-security-tracker-informed-me-about
vendor-advisory
Sources
- CVE List CVE-2020-14073
- NVD CVE-2020-14073
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.