How severe is CVE-2009-4664?

CVE-2009-4664 has a CVSS 2.0 base score of 3.3, rated low severity.

Is CVE-2009-4664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4664?

CVE-2009-4664 primarily affects Fwbuilder Firewall Builder. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4664?

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

When was CVE-2009-4664 published?

CVE-2009-4664 was published on 2010-03-03 and last updated on 2026-06-16.

CVE-2009-4664

CVE-2009-4664 is a low-severity vulnerability in Fwbuilder Firewall Builder with a CVSS 2.0 base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Low (CVSS 2.0 base score 3.3)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Fwbuilder Firewall Builder
Published: 2010-03-03
Last modified: 2026-06-16

Description

Firewall Builder 3.0.4, 3.0.5, and 3.0.6, when running on Linux, allows local users to gain privileges via a symlink attack on an unspecified temporary file that is created by the iptables script.

Frequently asked questions

What is CVE-2009-4664?: Firewall Builder 3.0.4, 3.0.5, and 3.0.6, when running on Linux, allows local users to gain privileges via a symlink attack on an unspecified temporary file that is created by the iptables script.
How severe is CVE-2009-4664?: CVE-2009-4664 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2009-4664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4664?: CVE-2009-4664 primarily affects Fwbuilder Firewall Builder. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4664 published?: CVE-2009-4664 was published on 2010-03-03 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:fwbuilder:firewall_builder:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:fwbuilder:firewall_builder:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:fwbuilder:firewall_builder:3.0.6:*:*:*:*:*:*:*

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