Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-20206 |
CWE-ID | CWE-424 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
OpenShift Container Platform for Windows Containers Server applications / Virtualization software |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU55590
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20206
CWE-ID:
CWE-424 - Improper Protection of Alternate Path
Exploit availability: No
DescriptionThe vulnerability allows a remote user to compromise the affected system.
the vulnerability exists due to improper input validation. When specifying the plugin to load in the 'type' field in the network configuration, it is possible to use special elements such as "../" separators to reference binaries elsewhere on the system. This flaw allows a remote user to execute other existing binaries other than the cni plugins/types, such as 'reboot'.
MitigationInstall updates from vendor's website.
OpenShift Container Platform for Windows Containers: 2.0.0 - 2.0.4
External linkshttp://access.redhat.com/errata/RHSA-2022:1660
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.