PowerVM Hypervisor Vulnerability in Encryption Key Exchange Protocol
CVE-2021-20505
4.4MEDIUM
Summary
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.
Affected Version(s)
PowerVM Hypervisor FW920
PowerVM Hypervisor FW930
PowerVM Hypervisor FW940
References
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