CVE-2021-20505 Information

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

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Reference

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

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.4