A webserver component in Paessler PRTG Network Monitor 19.2.50 to PRTG 20.1.56 allows unauthenticated remote command execution via a crafted POST request or the what parameter of the screenshot function in the Contact Support form.
Conclusion & alert: CVE-2020-10374 is rated High Risk (71.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.89%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-03-04 | 4.20% | 4.89% | +0.69% |
| 2 | 2026-03-01 | 4.89% | 4.20% | -0.69% |
| 3 | 2026-02-04 | — | 4.89% | — |
Full EPSS history (42 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| paessler | prtg_network_monitor | >= 19.2.50, <= 20.1.56 | cpe:2.3:a:paessler:prtg_network_monitor:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://kb.paessler.com/en/topic/87668-how-can-i-mitigate-cve-2020-10374-until-i-can-update | Mitigation Vendor Advisory |
| https://tehtris.com/en/rce-on-prtg-network-monitor-tehtris-pentest/ | |
| https://www.paessler.com/prtg/history/stable#20.1.57.1745 | Vendor Advisory |