Access Control Vulnerability in IBM PowerVM Hypervisor
CVE-2021-38923

8HIGH

Key Information:

Vendor

IBM
Status
Powervm Hypervisor
Vendor
CVE Published:
6 October 2021

What is CVE-2021-38923?

The IBM PowerVM Hypervisor FW1010 can be exploited when a privileged user assigns duplicate World Wide Port Names (WWPNs), potentially allowing unauthorized access to another virtual machine (VM). This misconfiguration increases the risk of data breaches and inter-VM communications. Organizations should ensure proper WWPN assignment and review virtualization security practices to mitigate this vulnerability.

Affected Version(s)

PowerVM Hypervisor FW1010

References

https://www.ibm.com/support/pages/node/6495879
x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilities/210162
vdb-entryx_refsource_XF

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-38923 : Access Control Vulnerability in IBM PowerVM Hypervisor