Encrypted folders created by PRIMX ZONECENTRAL for Windows before Q.2021.2 (ANSSI qualification submission) or ZONECENTRAL for Windows before 2023.5 can be modified by an unauthenticated attacker to include a UNC reference so that it could trigger outbound network traffic from computers on which folders are opened.
Conclusion & alert: CVE-2023-50441 is rated Low Risk (29.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.09%). 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 | 2025-03-30 | 0.17% | 0.09% | -0.08% |
| 2 | 2025-03-29 | 0.05% | 0.17% | +0.11% |
| 3 | 2023-12-21 | — | 0.05% | — |
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 | < q.2021.2 | cpe:2.3:a:primx:zonecentral:*:*:*:*:*:windows:*:* |
| primx | zonecentral | >= 2023.0, < 2023.5 | cpe:2.3:a:primx:zonecentral:*:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://www.primx.eu/en/bulletins/security-bulletin-23B3093A/ | Vendor Advisory |
| https://www.primx.eu/fr/blog/ | Product |