RAVA certificate validation system has insufficient validation for user input. An unauthenticated remote attacker can inject arbitrary SQL command to access, modify and delete database.
Conclusion & alert: CVE-2022-39056 is rated Moderate Risk (57/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.76%). 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 | 2026-06-15 | 0.53% | 0.76% | +0.23% |
| 2 | 2025-10-26 | 0.64% | 0.53% | -0.11% |
| 3 | 2025-10-25 | — | 0.64% | — |
Full EPSS history (15 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] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| changingtec | rava_certificate_validation_system | 3 | cpe:2.3:a:changingtec:rava_certificate_validation_system:3:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-6617-109b0-1.html | Third Party Advisory VDB Entry |