Encrypted folders created by PRIMX ZONECENTRAL through 2023.5 can be modified by a local attacker (with appropriate privileges) so that specific file types are excluded from encryption temporarily. (This modification can, however, be detected, as described in the Administrator Guide.)
Conclusion & alert: CVE-2023-50442 is rated Low Risk (29.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.07%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2025-11-21 | 0.02% | 0.07% | +0.04% |
| 2 | 2025-11-18 | 0.07% | 0.02% | -0.04% |
| 3 | 2025-04-15 | — | 0.07% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| primx | zonecentral | <= 2023.5 | cpe:2.3:a:primx:zonecentral:*:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://www.primx.eu/en/bulletins/security-bulletin-23B30933/ | Vendor Advisory |
| https://www.primx.eu/fr/blog/ | Product |