CVE-2021-29795

mediumpriority · track · 24EPSS 0.002 · 15 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.24% (15th) EPSS

CVSS 4.9 · medium

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557.

cvss

Technical severity, 0–10. One row per scoring source.

6.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.5 · impact 4

v3.06mediumCVSS:3.0/PR:H/S:C/AV:L/A:H/C:N/UI:N/AC:L/I:N/E:U/RC:C/RL:Osecondary · ENISA EU

v3.06mediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hsecondary · psirt@us.ibm.com USexploitability 1.5 · impact 4

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74USprimary

affected products (8)

Products and version ranges known to be affected.

IBM PowerVM Hypervisor≤ FW950enisa_euvdEU
IBM PowerVM Hypervisor≤ FW930enisa_euvdEU
IBM PowerVM Hypervisor≤ FW860enisa_euvdEU
IBM PowerVM Hypervisor≤ FW940enisa_euvdEU
ibm powervm hypervisor= fw860nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*
ibm powervm hypervisor= fw930nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*
ibm powervm hypervisor= fw940nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*
ibm powervm hypervisor= fw950nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-09-21modified 2026-06-17

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+5979 more

references (7)

External citations — patches, advisories, analysis.

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