CVE-2009-3564

FAUCET Score

CVE-2009-3564 describes a vulnerability in puppetmasterd versions 0.24.6 and earlier, affecting Fedora and Reductive Labs Puppet distributions. The flaw allows local users to potentially access restricted files because the service fails to reset supplementary groups when switching user identities. This is a low-severity issue with a CVSS score of 4.7, indicating a local attack vector with medium attack complexity, primarily impacting confidentiality. There is no evidence of active exploitation, no known exploit code in Metasploit, Nuclei, or ExploitDB, and minimal community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		0.24.6CPE matchmatch criteria	cpe:2.3:a:reductivelabs:puppet:0.24.6:::::::*

CVSS Data

CVSS version used by this source: 2.0

4.7MEDIUM

AV:L/AC:M/Au:N/C:C/I:N/A:N

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Exploitability Score

3.4

Impact Score

6.9

CvssVersion

2.0

Exploit Intelligence

EPSS Score

0.38%

Probability of exploitation in next 30 days

EPSS Percentile

30.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0038 is in the 47th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-3564Low

puppetmasterd does not initialize supplementary groups

Dec 8, 2008

References

projects.reductivelabs.com / issues/1806

PatchVendor Advisory

bugzilla.redhat.com / show_bug.cgi

ExploitIssue TrackingThird Party Advisory

puppet.com / security/cve/cve-2009-3564

Vendor Advisory