CVE-2018-11747

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-21 · updated 2026-06-17
Weakness: CWE-295

Description

Previously, Puppet Discovery was shipped with a default generated TLS certificate in the nginx container. In version 1.4.0, a unique certificate will be generated on installation or the user will be able to provide their own TLS certificate for ingress.

Affected products

Puppet Discovery: before 1.4.0 — fixed in 1.4.0

How to fix

Upgrade to a fixed version: Puppet Discovery 1.4.0. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
https://puppet.com/security/cve/CVE-2018-11747
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
https://puppet.com/security/cve/CVE-2018-11747

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