CVE-2021-4180
Exposure of Sensitive Information to an Unauthorized Actor in OpenStack tripleo-heat-templates
4.3
MEDIUM
CVSS 3.1
EPSS 0.17%
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. A patch is available on the `master` branch and anticipated to be part of version 11.6.1.
How to fix CVE-2021-4180
To remediate CVE-2021-4180, upgrade the affected package to a fixed version below.
- —upgrade to 11.6.1 or later
Is CVE-2021-4180 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 11.6.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |