How severe is CVE-2007-4461?

CVE-2007-4461 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-4461 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4461?

CVE-2007-4461 affects Nufw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4461?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-4461 published?

CVE-2007-4461 was published on 2007-08-21 and last updated on 2026-06-16.

CVE-2007-4461

CVE-2007-4461 is a medium-severity vulnerability in Nufw with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Nufw
Published: 2007-08-21
Last modified: 2026-06-16

Description

NuFW 2.2.3, and certain other versions after 2.0, allows remote attackers to bypass time-based packet filtering rules via certain "out of period" choices of packet transmission time.

Frequently asked questions

What is CVE-2007-4461?: NuFW 2.2.3, and certain other versions after 2.0, allows remote attackers to bypass time-based packet filtering rules via certain "out of period" choices of packet transmission time.
How severe is CVE-2007-4461?: CVE-2007-4461 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-4461 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4461?: CVE-2007-4461 affects Nufw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4461?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4461 published?: CVE-2007-4461 was published on 2007-08-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:nufw:nufw:2.2.3:*:*:*:*:*:*:*

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