What’s Vulnerable › Vulnerabilities

CVE-2021-4180

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-23 · updated 2026-06-17
• Weakness: CWE-200

Description

An information exposure flaw in openstack-tripleo-heat-templates allows an external user to discover the internal IP or hostname. An attacker could exploit this by checking the www_authenticate_uri parameter (which is visible to all end users) in configuration files. This would give sensitive information which may aid in additional system exploitation. This flaw affects openstack-tripleo-heat-templates versions prior to 11.6.1.

Affected products

• openstack/tripleo-heat-templates.: before 11.6.1 — fixed in 11.6.1
• OpenStack: 13, 16.1, 16.2

How to fix

Upgrade to a fixed version: openstack/tripleo-heat-templates. 11.6.1. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2035793
• https://bugzilla.redhat.com/show_bug.cgi?id=2035793

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