How severe is CVE-2012-5158?

CVE-2012-5158 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2012-5158 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5158?

CVE-2012-5158 primarily affects Puppet Puppet Enterprise. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5158?

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

When was CVE-2012-5158 published?

CVE-2012-5158 was published on 2014-03-14 and last updated on 2026-06-16.

CVE-2012-5158

CVE-2012-5158 is a medium-severity vulnerability in Puppet Puppet Enterprise with a CVSS 2.0 base score of 4.0. 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-287.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Puppet Puppet Enterprise
Published: 2014-03-14
Last modified: 2026-06-16

Description

Puppet Enterprise (PE) before 2.6.1 does not properly invalidate sessions when the session secret has changed, which allows remote authenticated users to retain access via unspecified vectors.

Frequently asked questions

What is CVE-2012-5158?: Puppet Enterprise (PE) before 2.6.1 does not properly invalidate sessions when the session secret has changed, which allows remote authenticated users to retain access via unspecified vectors.
How severe is CVE-2012-5158?: CVE-2012-5158 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2012-5158 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5158?: CVE-2012-5158 primarily affects Puppet Puppet Enterprise. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5158?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5158 published?: CVE-2012-5158 was published on 2014-03-14 and last updated on 2026-06-16.

References

http://puppetlabs.com/security/cve/cve-2012-5158

Affected products (5)

cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:puppetlabs:puppet:2.5.0:-:enterprise:*:*:*:*:*

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