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.

Published: 2014-03-14 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-5158 is rated Low Risk (28/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.16%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2012-5158

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 0.09% 0.16% +0.06%
2 2023-03-07 1.05% 0.09% -0.96%
3 2022-02-04 1.05%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-5158

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2012-5158

OS Trackers for CVE-2012-5158

vendor priority summary link
debian unimportant CVE-2012-5158 unimportant priority: Debian including 1 source packages (puppet), 1 status rows across 1 suites (bullseye): resolved 1. https://security-tracker.debian.org/tracker/CVE-2012-5158

Affected software / configurations for CVE-2012-5158

Vendor Product Version Raw CPE
puppet puppet_enterprise <= 2.6.0 cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
puppet puppet_enterprise 2.0.0 cpe:2.3:a:puppet:puppet_enterprise:2.0.0:*:*:*:*:*:*:*
puppet puppet_enterprise 2.5.1 cpe:2.3:a:puppet:puppet_enterprise:2.5.1:*:*:*:*:*:*:*
puppet puppet_enterprise 2.5.2 cpe:2.3:a:puppet:puppet_enterprise:2.5.2:*:*:*:*:*:*:*
puppetlabs puppet 2.5.0 cpe:2.3:a:puppetlabs:puppet:2.5.0:-:enterprise:*:*:*:*:*

References for CVE-2012-5158

cvelogic Threat Intelligence