Dell EMC PowerScale OneFS versions 8.2.x - 9.2.1.x contain an OS command injection vulnerability.

published 2021-08-16 5y ago modified 2026-06-17 4mo ago also EUVD-2021-8871

cvss: 6.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

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.

Patch / fix

links 1

dell.com/support/kbdoc/000190408 advisory

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Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.0	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Dell PowerScale OneFS

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

dell.com /support/kbdoc/000190408
patch, vendor-advisory

Sources

CVE List CVE-2021-21599
NVD CVE-2021-21599

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