How severe is CVE-2009-3564?

CVE-2009-3564 has a CVSS 2.0 base score of 4.7, rated medium severity.

Is CVE-2009-3564 being actively exploited?

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

What products are affected by CVE-2009-3564?

CVE-2009-3564 affects Reductivelabs Puppet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3564?

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

When was CVE-2009-3564 published?

CVE-2009-3564 was published on 2009-10-06 and last updated on 2026-06-16.

CVE-2009-3564

CVE-2009-3564 is a medium-severity vulnerability in Reductivelabs Puppet 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% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Reductivelabs Puppet
Published: 2009-10-06
Last modified: 2026-06-16

Description

puppetmasterd in puppet 0.24.6 does not reset supplementary groups when it switches to a different user, which might allow local users to access restricted files.

Frequently asked questions

What is CVE-2009-3564?: puppetmasterd in puppet 0.24.6 does not reset supplementary groups when it switches to a different user, which might allow local users to access restricted files.
How severe is CVE-2009-3564?: CVE-2009-3564 has a CVSS 2.0 base score of 4.7, rated medium severity.
Is CVE-2009-3564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3564?: CVE-2009-3564 affects Reductivelabs Puppet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3564 published?: CVE-2009-3564 was published on 2009-10-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:reductivelabs:puppet:0.24.6:*:*:*:*:*:*:*

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