CVE-2007-4304

CerbNG for FreeBSD 4.8 does not properly implement VM protection when attempting to prevent system call wrapper races, which allows local users to have an unknown impact related to an "incorrect write protection of pages".

Published: 2007-08-13 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4304 is rated Low Risk (25.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.04%). 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-2007-4304

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 2023-03-07 0.89% 0.04% -0.84%
2 2022-02-04 0.89%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4304

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.2 2.0 MEDIUM
AV:L/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
1.9 10.0 [email protected]

Weakness enumeration for CVE-2007-4304

NVD evaluator notes for CVE-2007-4304

Comment: More information about this vulnerability can be found at: http://www.securityfocus.com/bid/25259

Affected software / configurations for CVE-2007-4304

Vendor Product Version Raw CPE
cerb cerbng 0.1 cpe:2.3:a:cerb:cerbng:0.1:*:freebsd:*:*:*:*:*
cerb cerbng 0.2 cpe:2.3:a:cerb:cerbng:0.2:*:freebsd:*:*:*:*:*
cerb cerbng 0.3 cpe:2.3:a:cerb:cerbng:0.3:*:freebsd:*:*:*:*:*
cerb cerbng 0.4 cpe:2.3:a:cerb:cerbng:0.4:*:freebsd:*:*:*:*:*

References for CVE-2007-4304

cvelogic Threat Intelligence