How severe is CVE-2009-4358?

CVE-2009-4358 has a CVSS 2.0 base score of 4.7, rated medium severity.

Is CVE-2009-4358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4358?

CVE-2009-4358 primarily affects Freebsd. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4358?

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

When was CVE-2009-4358 published?

CVE-2009-4358 was published on 2009-12-20 and last updated on 2026-06-16.

CVE-2009-4358

CVE-2009-4358 is a medium-severity vulnerability in Freebsd with a CVSS 2.0 base score of 4.7. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.7)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Freebsd
Published: 2009-12-20
Last modified: 2026-06-16

Description

freebsd-update in FreeBSD 8.0, 7.2, 7.1, 6.4, and 6.3 uses insecure permissions in its working directory (/var/db/freebsd-update by default), which allows local users to read copies of sensitive files after a (1) freebsd-update fetch (fetch) or (2) freebsd-update upgrade (upgrade) operation.

Frequently asked questions

What is CVE-2009-4358?: freebsd-update in FreeBSD 8.0, 7.2, 7.1, 6.4, and 6.3 uses insecure permissions in its working directory (/var/db/freebsd-update by default), which allows local users to read copies of sensitive files after a (1) freebsd-update fetch (fetch) or (2) freebsd-update upgrade (upgrade) operation.
How severe is CVE-2009-4358?: CVE-2009-4358 has a CVSS 2.0 base score of 4.7, rated medium severity.
Is CVE-2009-4358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4358?: CVE-2009-4358 primarily affects Freebsd. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4358 published?: CVE-2009-4358 was published on 2009-12-20 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:o:freebsd:freebsd:6.3:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:*

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