CVE-2012-3866

Exp

lib/puppet/defaults.rb in Puppet 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, uses 0644 permissions for last_run_report.yaml, which allows local users to obtain sensitive configuration information by leveraging access to the puppet master server to read this file.

Published: 2012-08-06 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-3866 is rated Exploit Available (50/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.05%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-3866

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-3866

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.04% 0.05% +0.01%
2 2023-03-07 1.03% 0.04% -0.99%
3 2022-02-04 1.03%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-3866

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2012-3866

GitHub Security Advisory for CVE-2012-3866

GHSA-8jxj-9r5f-w3m2 · Severity: low · Ecosystem: rubygems — Puppet allows local users to obtain sensitive configuration information

OS Trackers for CVE-2012-3866

vendor priority summary link
debian not yet assigned CVE-2012-3866 not yet assigned priority: Debian including 1 source packages (puppet), 1 status rows across 1 suites (bullseye): resolved 1. https://security-tracker.debian.org/tracker/CVE-2012-3866
ubuntu medium CVE-2012-3866 medium priority: Ubuntu including 1 source packages (puppet), 6 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): released 3, not-affected 2, ignored 1. https://ubuntu.com/security/CVE-2012-3866

Affected software / configurations for CVE-2012-3866

Vendor Product Version Raw CPE
puppet puppet 2.7.2 cpe:2.3:a:puppet:puppet:2.7.2:*:*:*:*:*:*:*
puppet puppet 2.7.3 cpe:2.3:a:puppet:puppet:2.7.3:*:*:*:*:*:*:*
puppet puppet 2.7.4 cpe:2.3:a:puppet:puppet:2.7.4:*:*:*:*:*:*:*
puppet puppet 2.7.5 cpe:2.3:a:puppet:puppet:2.7.5:*:*:*:*:*:*:*
puppet puppet 2.7.6 cpe:2.3:a:puppet:puppet:2.7.6:*:*:*:*:*:*:*
puppet puppet 2.7.8 cpe:2.3:a:puppet:puppet:2.7.8:*:*:*:*:*:*:*
puppet puppet 2.7.9 cpe:2.3:a:puppet:puppet:2.7.9:*:*:*:*:*:*:*
puppet puppet 2.7.10 cpe:2.3:a:puppet:puppet:2.7.10:*:*:*:*:*:*:*
puppet puppet 2.7.11 cpe:2.3:a:puppet:puppet:2.7.11:*:*:*:*:*:*:*
puppet puppet 2.7.12 cpe:2.3:a:puppet:puppet:2.7.12:*:*:*:*:*:*:*
puppet puppet 2.7.13 cpe:2.3:a:puppet:puppet:2.7.13:*:*:*:*:*:*:*
puppet puppet 2.7.14 cpe:2.3:a:puppet:puppet:2.7.14:*:*:*:*:*:*:*
puppet puppet 2.7.16 cpe:2.3:a:puppet:puppet:2.7.16:*:*:*:*:*:*:*
puppetlabs puppet <= 2.7.17 cpe:2.3:a:puppetlabs:puppet:*:*:*:*:*:*:*:*
puppetlabs puppet 2.7.0 cpe:2.3:a:puppetlabs:puppet:2.7.0:*:*:*:*:*:*:*
puppetlabs puppet 2.7.1 cpe:2.3:a:puppetlabs:puppet:2.7.1:*:*:*:*:*:*:*
puppet puppet_enterprise <= 2.5.1 cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*

References for CVE-2012-3866

cvelogic Threat Intelligence