What is CVE-2020-26180?

CVE-2020-26180 is a medium-severity vulnerability in Dell EMC Isilon Onefs, classified under Incorrect Default Permissions. CVSS score: 6.3/10. Published 2021-07-28.

How severe is CVE-2020-26180?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Dell EMC Isilon Onefs

CVE-2020-26180

Dell EMC Isilon OneFS supported versions 8.1 and later and Dell EMC PowerScale OneFS supported version 9.0.0 contain an access issue with the remotesupport user account. A remote malicious user with low privileges may gain access to data stored on the /ifs directory through most protocols.

Published 2021-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (47.3th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Dell EMC Isilon Onefs
Dell EMC Powerscale Onefs — versions 9.0.0
Dell Powerscale Onefs — versions unspecified

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

www.dell.com/support/security/en-us/details/546591/DSA-2020-225-Dell-EMC-Isilon… (Vendor Advisory)

Frequently asked questions

What is CVE-2020-26180?: CVE-2020-26180 is a medium-severity vulnerability in Dell EMC Isilon Onefs, classified under Incorrect Default Permissions. CVSS score: 6.3/10. Published 2021-07-28.
How severe is CVE-2020-26180?: Medium severity. CVSS v3 base score is 6.3 out of 10.