Information disclosure in OpenStack Tripleo Heat Templates
CVE-2021-4180
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- OpenStack Tripleo Heat Templates
- Red Hat OpenStack — versions 13, 16.1, 16.2
- Openstack-Tripleo-Heat-Templates — versions openstack-tripleo-heat-templates versions prior to 11.6.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2021-4180?
- CVE-2021-4180 is a medium-severity vulnerability in OpenStack Tripleo Heat Templates, classified under Information Disclosure. CVSS score: 4.3/10. Published 2022-03-23.
- How severe is CVE-2021-4180?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-4180 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.