CVE-2005-3950

nuauth in NuFW 1.0.x before 1.0.16 and 1.1 allows authenticated users to cause a denial of service via malformed packets.

Published: 2005-12-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3950 is rated Moderate Risk (50.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.61%). Mandatory action: Review affected assets and schedule remediation.

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-2005-3950

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 0.54% 0.61% +0.07%
2 2025-03-29 0.61% 0.54% -0.07%
3 2025-03-19 0.61%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3950

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
8.0 6.9 [email protected]

Weakness enumeration for CVE-2005-3950

OS Trackers for CVE-2005-3950

vendor priority summary link
ubuntu medium CVE-2005-3950 medium priority: Ubuntu including 1 source packages (nufw), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-3950

Affected software / configurations for CVE-2005-3950

Vendor Product Version Raw CPE
nufw nufw 1.0.11 cpe:2.3:a:nufw:nufw:1.0.11:*:*:*:*:*:*:*
nufw nufw 1.0.12 cpe:2.3:a:nufw:nufw:1.0.12:*:*:*:*:*:*:*
nufw nufw 1.0.13 cpe:2.3:a:nufw:nufw:1.0.13:*:*:*:*:*:*:*
nufw nufw 1.0.14 cpe:2.3:a:nufw:nufw:1.0.14:*:*:*:*:*:*:*
nufw nufw 1.0.15 cpe:2.3:a:nufw:nufw:1.0.15:*:*:*:*:*:*:*
nufw nufw 1.1 cpe:2.3:a:nufw:nufw:1.1:*:*:*:*:*:*:*

References for CVE-2005-3950

cvelogic Threat Intelligence