Voltronic Power ViewPower Pro updateManagerPassword Exposed Dangerous Function Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Voltronic Power ViewPower Pro. Authentication is not required to exploit this vulnerability. The specific flaw exists within the updateManagerPassword function. The issue results from the exposure of a dangerous function. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-21203.
Conclusion & alert: CVE-2023-51573 is rated Moderate Risk (59.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.39%). Mandatory action: Review affected assets and schedule 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 | 2026-04-06 | 0.77% | 0.39% | -0.37% |
| 2 | 2025-11-21 | 1.76% | 0.77% | -0.99% |
| 3 | 2025-11-18 | — | 1.76% | — |
Full EPSS history (12 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] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| voltronicpower | viewpower | 2.0-22165 | cpe:2.3:a:voltronicpower:viewpower:2.0-22165:*:*:*:pro:*:*:* |
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-23-1879/ | Third Party Advisory |