CVE-2006-4537

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.

Published: 2006-09-05 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2006-4537

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4537

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2006-4537

Affected software / configurations for CVE-2006-4537

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:*:*:*:*:*:*:*

References for CVE-2006-4537

cvelogic Threat Intelligence