CVEvulnerability

CVE-2021-20505

4.4 MEDIUM Published 2021-07-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-07-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.4 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS 3.0 ([email protected])
4.4 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
3.5 LOW — AV:N/AC:M/Au:S/C:P/I:N/A:N

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

Affected configurations

• ibm powervm hypervisor fw920 • ibm powervm hypervisor fw930 • ibm powervm hypervisor fw940 • ibm powervm hypervisor fw950

References