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.
Conclusion & alert: CVE-2020-14073 is rated High Exploit Risk (63.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.98%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 49156 | exploit_db | edb | 2020-12-02 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-24 | 0.95% | 0.98% | +0.03% |
| 2 | 2026-04-14 | 0.25% | 0.95% | +0.70% |
| 3 | 2026-01-28 | — | 0.25% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| paessler | prtg_network_monitor | 20.1.56.1574 | cpe:2.3:a:paessler:prtg_network_monitor:20.1.56.1574:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/160312/PRTG-Network-Monitor-20.4.63.1412-Cross-Site-Scripting.html | Exploit Third Party Advisory VDB Entry |
| https://gist.github.com/alert3/e058baa33c31695f4168a1dbf77103df | Exploit Third Party Advisory |
| https://kb.paessler.com/en/topic/88223-what-s-the-open-vulnerability-report-cve-2020-14073-that-my-security-tracker-informed-me-about | Vendor Advisory |
| https://www.paessler.com/prtg/history/stable | Release Notes Vendor Advisory |