RCE in Red Hat Openshift Service Mesh
CVE-2021-3586
A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- Red Hat Openshift Service Mesh — versions 2.0
- Red Hat Servicemesh-Operator — versions 2.0.5.1
- Servicemesh-Operator — versions Affects v2.0.5.1, Fixed in v2.0.5.2.
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- access.redhat.com/security/cve/CVE-2021-3586 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3586?
- CVE-2021-3586 is a critical-severity vulnerability in Red Hat Openshift Service Mesh, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2022-08-22.
- How severe is CVE-2021-3586?
- Critical severity. CVSS v3 base score is 9.8 out of 10.