Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR15, 4.0.0 SR05, 4.1.0 SR03, and 4.2.0 SR02 fails to validate the directory contents of certain directories (e.g., ensuring the expected hash sum) during the Pre-Boot Authorization (PBA) process. This can be exploited by a physical attacker who is able to manipulate the contents of the system's hard disk.
Conclusion & alert: CVE-2023-28865 is rated High Exploit Risk (60.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.32%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-01-24 | 0.18% | 0.32% | +0.14% |
| 2 | 2025-11-21 | 0.04% | 0.18% | +0.13% |
| 3 | 2025-11-18 | — | 0.04% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.6 | 3.1 | MEDIUM |
|
0.7 | 5.9 | [email protected] |
| 6.6 | 3.1 | MEDIUM |
|
0.7 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dieboldnixdorf | vynamic_security_suite | < 3.3.0sr15 | cpe:2.3:a:dieboldnixdorf:vynamic_security_suite:*:*:*:*:*:*:*:* |
| dieboldnixdorf | vynamic_security_suite | >= 4.0.0, < 4.0.0sr05 | cpe:2.3:a:dieboldnixdorf:vynamic_security_suite:*:*:*:*:*:*:*:* |
| dieboldnixdorf | vynamic_security_suite | >= 4.1.0, < 4.1.0sr03 | cpe:2.3:a:dieboldnixdorf:vynamic_security_suite:*:*:*:*:*:*:*:* |
| dieboldnixdorf | vynamic_security_suite | >= 4.2.0, < 4.2.0sr02 | cpe:2.3:a:dieboldnixdorf:vynamic_security_suite:*:*:*:*:*:*:*:* |