Vulnerability in Dell Powerscale Onefs
CVE-2026-21421
Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to elevation of privileges.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Dell Powerscale Onefs — versions prior to 9.10.1.6, 9.11.0.0 through 9.12.0.1
- Dell Powerscale Onefs
Weakness classification (CWE)
References
- www.dell.com/support/kbdoc/en-sg/000432452/dsa-2026-038-security-update-for-del… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21421?
- CVE-2026-21421 is a medium-severity vulnerability in Dell Powerscale Onefs, classified under CWE-250. CVSS score: 6.7/10. Published 2026-03-04.
- How severe is CVE-2026-21421?
- Medium severity. CVSS v3 base score is 6.7 out of 10.