CVE-2020-14073
XSS exists in PRTG Network Monitor 20.1.56.1574 via crafted map properties. An attacker with Read...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-14073- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-14073- Updated
- 2026-11-02
EUVDEUVD-2020-6232 No score
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.
- Record
EUVD-2020-6232- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x79c-9543-5545
XSS exists in PRTG Network Monitor 20.1.56.1574 via crafted map properties. An attacker with Read...
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.
- Record
GHSA-x79c-9543-5545- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | PRTG Network Monitor 20.4.63.1412 - 'maps' Stored XSS | 2020-12-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-14073 is a medium vulnerability (CVSS 5.4) in Paessler Prtg Network Monitor, published June 23, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.86%, the 86th percentile. No source names a fixed version.
References
paessler.com/prtg/history/stable
gist.github.com/alert3/e058baa33c31695f4168a1dbf77103df
kb.paessler.com/en/topic/88223-what-s-the-open-vulnerability-report-cve-2020-14073-that-my-security-tracker-informed-me-about
packetstormsecurity.com/files/160312/PRTG-Network-Monitor-20.4.63.1412-Cross-Site-Scripting.html
nvd.nist.gov/vuln/detail/CVE-2020-14073
github.com/advisories/GHSA-x79c-9543-5545