CVE-2020-5353

highpriority · track · 35OT risk · elevatedEPSS 0.010 · 62 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.99% (62nd) EPSS

CVSS 9 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

The Dell Isilon OneFS versions 8.2.2 and earlier and Dell EMC PowerScale OneFS version 9.0.0 default configuration for Network File System (NFS) allows access to an 'admin' home directory. An attacker may leverage a spoofed Unique Identifier (UID) over NFS to rewrite sensitive files to gain administrative access to the system.

cvss

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · security_alert@emc.comexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-276USprimary

affected products (5)

Products and version ranges known to be affected.

Dell EMC Isilonall versionscert_bundDEcpe:/a:dell:emc_isilon:-
Dell PowerScale OneFSall versionscert_bundDEcpe:/a:dell:powerscale_onefs:-
Dell Isilon OneFSunspecified → All supportedenisa_euvdEU
dell emc isilon onefs≤ 8.2.2nvdUScpe:2.3:a:dell:emc_isilon_onefs:*:*:*:*:*:*:*:*
dell emc powerscale onefs= 9.0.0nvdUScpe:2.3:o:dell:emc_powerscale_onefs:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1046Dell EMC Isilon und EMC PowerScale OneFS: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2026-04-09csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Dell EMC Isilon und Dell PowerScale OneFS ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2021-07-29modified 2026-06-17

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+2180 more

references (3)

External citations — patches, advisories, analysis.

https://support.emc.com/kb/542721 cnnvd
https://support.emc.com/kb/542721 enisa_euvd
https://support.emc.com/kb/542721PatchVendor Advisorynvd

scry

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