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01 Record

CVE-2021-38937

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894.

MediumPUBLISHEDCNA: ibm
CNA base score6.3 CVSS v3.xCVSS:3.0/S:C/C:N/A:H/AC:H/UI:N/PR:L/I:N/AV:N/E:U/RL:O/RC:C
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02 Description

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.98% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.0% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-12-10 17:50Z4 YR AGO
Last updated
2024-09-16 16:57Z2 YR AGO
Reserved
2021-08-16
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.3)
CNA CVSS vector
CVSS:3.0/S:C/C:N/A:H/AC:H/UI:N/PR:L/I:N/AV:N/E:U/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
84a88b57a3858d093ad1bf9654fe32a7578b52a2de2a51b2087cbe044f1e32b7

05 Affected products

VendorProductVersionsPlatforms
IBMPowerVM HypervisorFW940, FW950, FW1010—

06 References