CVE-2021-38923

9.1 criticalEPSS 1.1%

Critical (9.1) in ibm powervm hypervisor firmware. EPSS 1.1% chance of exploitation in the next 30 days.

IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162.

Severity

9.1 critical

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
Published: 2021-10-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19