CVE-2007-4303

CVE-2007-4303 is a medium-severity vulnerability in Cerb Cerbng with a CVSS 2.0 base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple race conditions in (1) certain rules and (2) argument copying during VM protection, in CerbNG for FreeBSD 4.8 allow local users to defeat system call interposition and possibly gain privileges or bypass auditing, as demonstrated by modifying command lines in log-exec.cb.

Frequently asked questions

What is CVE-2007-4303?
Multiple race conditions in (1) certain rules and (2) argument copying during VM protection, in CerbNG for FreeBSD 4.8 allow local users to defeat system call interposition and possibly gain privileges or bypass auditing, as demonstrated by modifying command lines in log-exec.cb.
How severe is CVE-2007-4303?
CVE-2007-4303 has a CVSS 2.0 base score of 6.2, rated medium severity.
Is CVE-2007-4303 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4303?
CVE-2007-4303 primarily affects Cerb Cerbng. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-4303?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4303 published?
CVE-2007-4303 was published on 2007-08-13 and last updated on 2026-06-16.

References

Affected products (4)

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