How severe is CVE-2014-3251?

CVE-2014-3251 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2014-3251 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3251?

CVE-2014-3251 primarily affects Puppet Puppet Enterprise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3251?

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

When was CVE-2014-3251 published?

CVE-2014-3251 was published on 2014-08-12 and last updated on 2026-06-17.

CVE-2014-3251

CVE-2014-3251 is a medium-severity vulnerability in Puppet Puppet Enterprise with a CVSS 2.0 base score of 4.4. 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-362.

Key facts

Severity: Medium (CVSS 2.0 base score 4.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Puppet Puppet Enterprise
Published: 2014-08-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2014-3251?: CVE-2014-3251 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2014-3251 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3251?: CVE-2014-3251 primarily affects Puppet Puppet Enterprise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3251?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3251 published?: CVE-2014-3251 was published on 2014-08-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
cpe:2.3:a:puppetlabs:mcollective:-:*:*:*:*:*:*:*

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