CVE-2021-20198
Published Feb 23, 2021
Last updated 4 years ago
Overview
- Description
- A flaw was found in the OpenShift Installer before version v0.9.0-master.0.20210125200451-95101da940b0. During installation of OpenShift Container Platform 4 clusters, bootstrap nodes are provisioned with anonymous authentication enabled on kubelet port 10250. A remote attacker able to reach this port during installation can make unauthenticated `/exec` requests to execute arbitrary commands within running containers. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- Source
- secalert@redhat.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.1
- Impact score
- 5.9
- Exploitability score
- 2.2
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 6.8
- Impact score
- 6.4
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
- secalert@redhat.com
- CWE-306
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:openshift_installer:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DD47923E-8DE5-46A2-875C-15F8EFE22004",
"versionEndExcluding": "0.9.0-master.0.20210125200451-95101da940b0"
}
],
"operator": "OR"
}
]
}
]