CVE-2014-3251

The MCollective aes_security plugin, as used in Puppet Enterprise before 3.3.0 and Mcollective before 2.5.3, does not properly validate new server certificates based on the CA certificate, which allows local users to establish unauthorized Mcollective connections via unspecified vectors related to a race condition.

Published: 2014-08-12 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-3251 is rated Low Risk (19.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.04%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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

Exploit prediction scoring system (EPSS) score for CVE-2014-3251

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 2025-03-29 0.07% 0.04% -0.03%
2 2025-03-17 0.04% 0.07% +0.03%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3251

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 2.0 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 6.4 [email protected]

Weakness enumeration for CVE-2014-3251

OS Trackers for CVE-2014-3251

vendor priority summary link
debian low CVE-2014-3251 low priority: Debian including 1 source packages (mcollective), 2 status rows across 2 suites (bookworm, bullseye): resolved 2. https://security-tracker.debian.org/tracker/CVE-2014-3251
gentoo normal CVE-2014-3251: 1 GLSA(s) (201412-15), 1 atom(s) (app-admin/mcollective); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-3251
redhat medium — https://access.redhat.com/security/cve/CVE-2014-3251
ubuntu medium CVE-2014-3251 medium priority: Ubuntu including 1 source packages (mcollective), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 7, not-affected 4, DNE 2, released 1. https://ubuntu.com/security/CVE-2014-3251

Affected software / configurations for CVE-2014-3251

Vendor Product Version Raw CPE
puppet puppet_enterprise <= 3.2.0 cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
puppetlabs mcollective — cpe:2.3:a:puppetlabs:mcollective:-:*:*:*:*:*:*:*

References for CVE-2014-3251

cvelogic Threat Intelligence