CVE-2021-38918 | BDVDB-2026-167170 Detail

IBMPowerVM Hypervisor

Description#

IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM management operations could lead to a violation of the isolation between peer VMs. IBM X-Force ID: 210019.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

Exploit#

No public exploit known

History#

Version 12022-01-05Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2022-01-05
Last modified: 2024-09-16

Vendor information

Vendor: IBM
Product: PowerVM Hypervisor

All IBM vulnerabilities

Score

8.6 High

EPSS

1.2%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 69.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
FW940
Fixed
Not stated
Vulnerable
FW950
Fixed
Not stated
Vulnerable
FW860
Fixed
Not stated
Vulnerable
FW1010
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

8.6 High

CVSS:3.0/I:N/AC:L/AV:N/UI:N/C:H/A:N/S:C/PR:N/RC:C/RL:O/E:U

Metric breakdown
Integrity	None
Attack Complexity	Low
Attack Vector	Network
User Interaction	None
Confidentiality	High
Availability	None
Scope	Changed
Privileges Required	None

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).