Dell EMC Isilon OneFS versions prior to 8.2.0 contain an unauthorized access vulnerability due to a lack of thorough authorization checks w…

published 2020-03-06 6y ago modified 2026-06-17 4mo ago also EUVD-2020-26510

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known

Dell EMC Isilon OneFS versions prior to 8.2.0 contain an unauthorized access vulnerability due to a lack of thorough authorization checks when SyncIQ is licensed, but encrypted syncs are not marked as required. When this happens, loss of control of the cluster can occur.

Patch / fix

fixed in 1

Dell Isilon OneFS 8.2.0

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Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Dell Isilon OneFS

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

dell.com /support/security/en-us/details/541423/DSA-2020-039-Dell-EMC-Isilon-OneFS-Security-Update-for-a-SyncIQ-Vulnera
vendor-advisory

Sources

CVE List CVE-2020-5328
NVD CVE-2020-5328

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