Read the docs
TI-2021-16379 Aliases CVE-2021-38937GHSA-q983-m4fh-gqhm

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to…

Priority LOW 31Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00984 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMPowerVM HypervisorFW940; FW950; FW1010—No fix listedCNA
  • PowerVM Hypervisor VendorIBM Affected FW940; FW950; FW1010 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:ibm:powervm_hypervisor:fw940:*:*:*:*:*:*:*fw940VulnerableIBM
cpe:2.3:o:ibm:powervm_hypervisor:fw950:*:*:*:*:*:*:*fw950VulnerableIBM
cpe:2.3:o:ibm:powervm_hypervisor:fw1010:*:*:*:*:*:*:*fw1010VulnerableIBM
  • cpe:2.3:o:ibm:powervm_hypervisor:fw940:*:*:*:*:*:*:* Versions fw940 Vulnerable ·IBM
  • cpe:2.3:o:ibm:powervm_hypervisor:fw950:*:*:*:*:*:*:* Versions fw950 Vulnerable ·IBM
  • cpe:2.3:o:ibm:powervm_hypervisor:fw1010:*:*:*:*:*:*:* Versions fw1010 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38937
  2. 2026-10-03 Alias added: GHSA-q983-m4fh-gqhm

References

Advisory 1

  • TI-2022-15241 IBM Power FW security bypass CVSS 3.1CRITICAL 9.8
  • TI-2023-14280 IBM PowerVM gain access CVSS 3.1CRITICAL 9.3
  • TI-2021-16362 IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service… CVSS 3.1CRITICAL 9.1
  • TI-2021-16363 IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM… CVSS 3.1HIGH 7.5
  • TI-2023-14281 IBM PowerVM Hypervisor denial of service CVSS 3.1HIGH 7.9
  • TI-2023-10961 IBM PowerVM Hypervisor information disclosure CVSS 3.1HIGH 7.5
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences