A vulnerability exists in Schneider Electric's U.motion Builder software versions 1.2.1 and prior in which the web service contains a hidden system account with a hardcoded password. An attacker can use this information to log into the system with high-privilege credentials.
Conclusion & alert: CVE-2017-9957 is rated High Risk (65.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.62%). Core evidence: EPSS rose +1.18% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 0.44% | 1.62% | +1.18% |
| 2 | 2025-04-11 | 0.47% | 0.44% | -0.02% |
| 3 | 2025-03-30 | — | 0.47% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| schneider-electric | u.motion_builder | <= 1.2.1 | cpe:2.3:a:schneider-electric:u.motion_builder:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.schneider-electric.com/en/download/document/SEVD-2017-178-01/ | Vendor Advisory |
| http://www.securityfocus.com/bid/99344 | Third Party Advisory VDB Entry |