PowerVM Hypervisor Vulnerability in Encryption Key Exchange Protocol
CVE-2021-20505

4.4MEDIUM

Key Information:

Vendor

IBM
Status
Powervm Hypervisor
Vendor
CVE Published:
29 July 2021

What is CVE-2021-20505?

The encryption key exchange protocol within IBM's PowerVM Logical Partition Mobility (LPM) has been identified as vulnerable. An attacker capable of intercepting encrypted LPM network traffic, combined with unauthorized access to the Flexible Service Processor (FSP), can exploit this vulnerability. By capturing and analyzing the traffic, the attacker may carry out subsequent PowerVM service procedures to decrypt the sensitive migration traffic, potentially compromising sensitive data and system integrity.

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Affected Version(s)

PowerVM Hypervisor FW920

PowerVM Hypervisor FW930

PowerVM Hypervisor FW940

References

https://www.ibm.com/support/pages/node/6475619
x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilities/198232
vdb-entryx_refsource_XF

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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