CVE-2020-26196

BackupAdmin write outside intended paths

Published Feb 9, 2021 · Updated Sep 16, 2024

Improper access control in Dell PowerScale OneFS 8.1.0 through 9.1.0 allows local users with BackupAdmin to write data outside intended filesystem paths. The Backup/Restore privilege implementation fails to confine BackupAdmin write operations to the designated filesystem location. Exploitation requires an account assigned BackupAdmin and local or console access; impact is unauthorized file integrity changes, with no stated confidentiality or availability effect.

CVSS severity5.5
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Dell PowerScale OneFS 8.1.0 through 9.1.0 allows local users with BackupAdmin to write data outside intended filesystem paths. The Backup/Restore privilege implementation fails to confine BackupAdmin write operations to the designated filesystem location. Exploitation requires an account assigned BackupAdmin and local or console access; impact is unauthorized file integrity changes, with no stated confidentiality or availability effect.

The record

CVE
CVE-2020-26196
Published
Feb 9, 2021
Updated
Sep 16, 2024
Vendor
Dell Technologies
Product
PowerScale OneFS
Classifications
CWE-732, T1222
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 9, 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

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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 <8.1.2, 8.2.1, 8.2.2, 9.0.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Dell Technologies · PowerScale OneFSversion=unspecified <8.1.2, 8.2.1, 8.2.2, 9.0.0

Published CVSS scores

2.1NVDAV:L/AC:L/Au:N/C:N/I:P/A:N
5.5DellCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

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
T1222File and Directory Permissions Modification

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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