What is CVE-2018-11750?

CVE-2018-11750 is a medium-severity vulnerability in Puppet Cisco iOS Module, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-10-02.

How severe is CVE-2018-11750?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Puppet Cisco iOS Module

CVE-2018-11750

Previous releases of the Puppet cisco_ios module did not validate a host's identity before starting a SSH connection. As of the 0.4.0 release of cisco_ios, host key checking is enabled by default.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-10-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Puppet Cisco iOS Module

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

puppet.com/security/cve/CVE-2018-11750 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/150978 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-11750?: CVE-2018-11750 is a medium-severity vulnerability in Puppet Cisco iOS Module, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-10-02.
How severe is CVE-2018-11750?: Medium severity. CVSS v3 base score is 6.5 out of 10.