CVE-2021-36279

Privileged cluster information disclosure via incorrect permissions

Published Aug 16, 2021 · Updated Sep 16, 2024

Information disclosure in Dell Technologies PowerScale OneFS 8.2.x through 9.2.x allows local users to access privileged cluster data. The /ifs/data/Isilon_Support and pkg directories retain permissions that permit unintended access; Dell has not identified the exposed files. Exploitation requires ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE, and no write or service impact is reported.

CVSS severity7.8
High
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Information disclosure in Dell Technologies PowerScale OneFS 8.2.x through 9.2.x allows local users to access privileged cluster data. The /ifs/data/Isilon_Support and pkg directories retain permissions that permit unintended access; Dell has not identified the exposed files. Exploitation requires ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE, and no write or service impact is reported.

The record

CVE
CVE-2021-36279
Published
Aug 16, 2021
Updated
Sep 16, 2024
Vendor
Dell Technologies
Product
PowerScale OneFS
Classifications
CWE-732, T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 16, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.2.x - 9.2.x

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Dell Technologies · PowerScale OneFSversion=8.2.x - 9.2.x

Published CVSS scores

7.2NIST NVDAV:L/AC:L/Au:N/C:C/I:C/A:C
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8DellCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo