CVE-2021-21506: Dell Emc Powerscale Onefs

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in its API handler. An un-authtenticated with ISI_PRIV_SYS_SUPPORT and ISI_PRIV_LOGIN_PAPI privileges could potentially exploit this vulnerability, leading to potential privileges escalation.

Affected products

• Dell Emc Powerscale Onefs: version 8.1.2 only; version 8.2.2 only; version 9.1.0 only

Published 2021-03-08. Last modified 2026-06-17.