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CVE-2021-29795
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls…
Medium6.0EPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- ibm
Description
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.
Timeline
ID reserved
By ibm
- 6 months later
· 6 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | Medium6.0 | CVSS:3.0/PR:H/S:C/AV:L/A:H/C:N/UI:N/AC:L/I:N/E:U/RC:C/RL:O |
| NVDNVD · Modified | 3.1 | Medium6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.0.
Weakness
- Denial of Service
- CWE-74 (opens in a new tab)All about CWE-74 and its CVEs
Affected products
- affected FW930
- affected FW940
- affected FW950
- affected FW860
References (2)
- https://www.ibm.com/support/pages/node/6490877 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-powervm-cve202129795-dos (203557) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-29795)Record last updated .