CVE-2021-38917 json
IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary ho…
published 2021-12-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25354
- cvss
- 7.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018.
Exploit prediction
1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.4 | CVSS:3.0/AV:N/PR:N/UI:N/I:H/AC:H/C:H/A:N/S:U/RC:C/RL:O/E:U |
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| CNA | 3.0 | 7.4 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 9.4 | AV:N/AC:L/Au:N/C:C/I:C/A:N |
Affected products
- IBM PowerVM Hypervisor
References
-
ibm.com
/support/pages/node/6525010
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/210018
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-38917
- NVD CVE-2021-38917
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