CVE-2022-26855

Local denial of service

Published Apr 8, 2022 · Updated Sep 17, 2024

Incorrect default permissions in Dell PowerScale OneFS 8.2.x through 9.3.0.x allow local users to interrupt cluster service. Dell has not disclosed the affected resource or the permission-setting operation that leaves the resource accessible beyond its intended users. A low-privileged local account is required; exploitation affects availability through denial of service, with no reported data exposure or modification.

CVSS severity5.5
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect default permissions in Dell PowerScale OneFS 8.2.x through 9.3.0.x allow local users to interrupt cluster service. Dell has not disclosed the affected resource or the permission-setting operation that leaves the resource accessible beyond its intended users. A low-privileged local account is required; exploitation affects availability through denial of service, with no reported data exposure or modification.

The record

CVE
CVE-2022-26855
Published
Apr 8, 2022
Updated
Sep 17, 2024
Vendor
Dell Technologies
Product
PowerScale OneFS
Classifications
CWE-276, T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 8, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=unspecified <8.2.x, 9.1.0.x, 9.2.0.x, 9.2.1.x, 9.3.0.x

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Dell Technologies · PowerScale OneFSversion=unspecified <8.2.x, 9.1.0.x, 9.2.0.x, 9.2.1.x, 9.3.0.x

Published CVSS scores

2.1NIST NVDAV:L/AC:L/Au:N/C:N/I:N/A:P
5.5DellCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-276Incorrect Default Permissions
T1499.004Application or System Exploitation

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

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Your stack

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