NET$SESSION_CONTROL.EXE in DECnet-Plus in OpenVMS ALPHA 7.3-2 and Alpha 8.2 writes a password to an audit log file when there is a successful connection after a "network breakin" event, which allows local users to obtain passwords by reading the file.
Conclusion & alert: CVE-2006-4537 is rated Low Risk (24.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.62%). 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 | 2026-06-15 | 0.07% | 0.62% | +0.55% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.03% |
| 3 | 2024-12-17 | — | 0.04% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dec | dec_openvms_alpha | 7.3.2 | cpe:2.3:a:dec:dec_openvms_alpha:7.3.2:*:*:*:*:*:*:* |
| dec | dec_openvms_alpha | 8.2 | cpe:2.3:a:dec:dec_openvms_alpha:8.2:*:*:*:*:*:*:* |