CVE-2011-3870

Puppet allows local users to modify the permissions of arbitrary files

6.3 MediumFix available

CVE-2011-3870 is a medium vulnerability (CVSS 6.3) in Puppet, published September 29, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. Fixed in puppet 2.6.11.

What does this mean?

Severity: 6.3 MediumCVSS 2.0, NVD
Exploit chance: 0.35%EPSS, 29th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: 2.6.11puppet +5 more

Description

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Exploit likelihood

0.35%Down 0.9 points since Feb 4, 2022

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`puppet` RubyGems	before 2.6.11	2.6.11
`puppet` RubyGems	2.7.0 up to 2.7.5	2.7.5
`puppet` Debian:11	before 2.7.3-3	2.7.3-3
`puppet` Debian:6.0 From an advisory covering 4 CVEs	before 2.6.2-5+squeeze1, plus listed versions 2.6.2-42.6.2-5	2.6.2-5+squeeze1
`puppet` RubyGems	2.7.0 up to 2.7.5, plus listed versions 2.7.12.7.32.7.4	2.7.5
`puppet` RubyGems	before 2.6.11, plus listed versions 0.13.00.13.10.13.20.13.60.16.0 Show 33 moreShow less 0.18.40.22.40.23.00.23.10.23.20.24.00.24.10.24.20.24.30.24.40.24.50.24.60.24.70.24.80.24.90.25.00.25.10.25.20.25.30.25.40.25.50.9.22.6.02.6.12.6.102.6.22.6.32.6.42.6.52.6.62.6.72.6.82.6.9	2.6.11

What each source reports

NVD Score used6.3

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Record: CVE-2011-3870
CVSS 2.0: 6.3 MediumAV:L/AC:M/Au:N/C:N/I:C/A:C
Weakness: CWE-59
Updated: 2026-11-02

CVE ListNo score

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Record: CVE-2011-3870
Updated: 2026-11-02

EUVDEUVD-2022-4975No score

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Record: EUVD-2022-4975
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qh3g-27jf-3j54No score

Puppet allows local users to modify the permissions of arbitrary files

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Record: GHSA-qh3g-27jf-3j54
Weakness: CWE-59
Updated: 2026-11-02

OSVNo score

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Record: CVE-2011-3870
Updated: 2026-11-02

OSVDEBIAN-CVE-2011-3870No score

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Record: DEBIAN-CVE-2011-3870
Updated: 2026-11-02

OSVGHSA-qh3g-27jf-3j54No score

Puppet allows local users to modify the permissions of arbitrary files

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

Record: GHSA-qh3g-27jf-3j54
Weakness: CWE-59
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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