Format string vulnerability in Novell Modular Authentication Services (NMAS) in the Novell Client 4.91 SP2 and SP3 allows users with physical access to read stack and memory contents via format string specifiers in the Username field of the logon window.
Conclusion & alert: CVE-2006-6306 is rated Low Risk (7.1/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.08%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
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 | 2025-03-17 | 11.05% | 0.08% | -10.97% |
| 2 | 2024-12-17 | 18.63% | 11.05% | -7.58% |
| 3 | 2024-08-10 | — | 18.63% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 1.2 | 2.0 | LOW |
|
1.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2006-6306: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-6306 |