CVE-2021-21599: Dell Emc Powerscale Onefs

Medium severity, CVSS 6.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Dell EMC PowerScale OneFS versions 8.2.x - 9.2.1.x contain an OS command injection vulnerability. This may allow a user with ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE to escalate privileges and escape the compliance guarantees. This only impacts Smartlock WORM compliance mode clusters as a critical vulnerability and Dell recommends to update/upgrade at the earliest opportunity.

Affected products

  • Dell Emc Powerscale Onefs: from 9.0.0.0, up to and including 9.2.1; version 8.2.2 only

Published 2021-08-16. Last modified 2026-06-17.