What is CVE-2018-11746?

CVE-2018-11746 is a high-severity vulnerability in Puppet Discovery, classified under Insufficiently Protected Credentials. CVSS score: 8.6/10. Published 2018-07-03.

How severe is CVE-2018-11746?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Puppet Discovery

CVE-2018-11746

In Puppet Discovery prior to 1.2.0, when running Discovery against Windows hosts, WinRM connections can fall back to using basic auth over insecure channels if a HTTPS server is not available. This can expose the login credentials being used by Puppet Discovery.

Published 2018-07-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (71.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Puppet Discovery
Puppet Discovery — versions unspecified

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

puppet.com/security/cve/CVE-2018-11746 (Vendor Advisory)
lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce… (mailing-list)

Frequently asked questions

What is CVE-2018-11746?: CVE-2018-11746 is a high-severity vulnerability in Puppet Discovery, classified under Insufficiently Protected Credentials. CVSS score: 8.6/10. Published 2018-07-03.
How severe is CVE-2018-11746?: High severity. CVSS v3 base score is 8.6 out of 10.