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CVE-2011-3872

Puppet 2.6.x before 2.6.12 and 2.7.x before 2.7.6, and Puppet Enterprise (PE) Users 1.0, 1.1, and 1.2 before 1.2.4, when signing an agent…

Low2.6EPSS 2.5%
Published
Updated
Reserved
Assigned by
mitre

Description

Puppet 2.6.x before 2.6.12 and 2.7.x before 2.7.6, and Puppet Enterprise (PE) Users 1.0, 1.1, and 1.2 before 1.2.4, when signing an agent certificate, adds the Puppet master's certdnsnames values to the X.509 Subject Alternative Name field of the certificate, which allows remote attackers to spoof a Puppet master via a man-in-the-middle (MITM) attack against an agent that uses an alternate DNS name for the master, aka "AltNames Vulnerability."

Scores

CVSS scores of CVE-2011-3872, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Low2.6AV:N/AC:H/Au:N/C:N/I:P/A:N
EPSS (exploitation in 30 days)
2.5% · top 15% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.6.

Weakness

Affected products

  • n/a

    • affected n/a

References (11)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .