Privilege escalation in SUSE Rancher
CVE-2023-22651
Improper Privilege Management vulnerability in SUSE Rancher allows Privilege Escalation. A failure in the update logic of Rancher's admission Webhook may lead to the misconfiguration of the Webhook. This component enforces validation rules and security checks before resources are admitted into the Kubernetes cluster. The issue only affects users that upgrade from 2.6.x or 2.7.x to 2.7.2. Users that did a fresh install of 2.7.2 (and did not follow an upgrade path) are not affected.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.1% 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
- SUSE Rancher — versions 2.6.0, 2.7.3
Weakness classification (CWE)
References
- bugzilla.suse.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- github.com/rancher/rancher/security/advisories/GHSA-6m9f-pj6w-w87g (Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2023-22651?
- CVE-2023-22651 is a critical-severity vulnerability in SUSE Rancher, classified under Improper Privilege Management. CVSS score: 9.9/10. Published 2023-05-04.
- How severe is CVE-2023-22651?
- Critical severity. CVSS v3 base score is 9.9 out of 10.