CVE-2021-20505

Published Jul 29, 2021

Last updated 3 years ago

Overview

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
Source
psirt@us.ibm.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
4.4
Impact score
3.6
Exploitability score
0.7
Vector string
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Severity
MEDIUM

CVSS 3.0

Type
Secondary
Base score
4.4
Impact score
3.6
Exploitability score
0.7
Vector string
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
3.5
Impact score
2.9
Exploitability score
6.8
Vector string
AV:N/AC:M/Au:S/C:P/I:N/A:N

Weaknesses

nvd@nist.gov
NVD-CWE-noinfo

Social media

Hype score
Not currently trending

Configurations