Medium severity4.4NVD Advisory· Published Jul 29, 2021· Updated Jun 17, 2026
CVE-2021-20505
CVE-2021-20505
Description
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: FW920
Patches
Vulnerability mechanics
References
2- exchange.xforce.ibmcloud.com/vulnerabilities/198232nvdVDB EntryVendor Advisory
- www.ibm.com/support/pages/node/6475619nvdVendor Advisory
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