The BMC (IBM Power 9 AC922 OP910, OP920, OP930, and OP940) may be subject to a firmware downgrade attack which may affect its ability to operate its host. IBM X-Force ID: 221442.
https://www.ibm.com/support/pages/node/6565075
https://exchange.xforce.ibmcloud.com/vulnerabilities/221442
Source: Mitre, NVD
Published: 2022-03-24
Updated: 2026-06-17
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:C
Severity: High
Base Score: 9.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Severity: Critical
EPSS: 0.00069