Vulnerability Details CVE-2021-20505
The PowerVM Logical Partition Mobility(LPM) (PowerVM Hypervisor FW920, FW930, FW940, and FW950) encryption key exchange protocol can be compromised. If an attacker has the ability to capture encrypted LPM network traffic and is able to gain service access to the FSP they can use this information to perform a series of PowerVM service procedures to decrypt the captured migration traffic IBM X-Force ID: 198232
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.8%
CVSS Severity
CVSS v3 Score 4.4
CVSS v2 Score 3.5
References
Products affected by CVE-2021-20505
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cpe:2.3:o:ibm:powervm_hypervisor:fw920
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cpe:2.3:o:ibm:powervm_hypervisor:fw930
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cpe:2.3:o:ibm:powervm_hypervisor:fw940
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cpe:2.3:o:ibm:powervm_hypervisor:fw950