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CVE-2020-26191

HIGH
7.8
CVSS Score
Published: February 9, 2021 at 09:25 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
2 products affected across 1 vendorEMC Powerscale OnefsPowerScale OneFS

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

Description

Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 contain a privilege escalation vulnerability. A user with ISI_PRIV_JOB_ENGINE may use the PermissionRepair job to grant themselves the highest level of RBAC privileges thus being able to read arbitrary data, tamper with system software or deny service to users.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EMC Powerscale Onefs· Dell
95%
8.1.08.1.18.1.28.2.08.2.18.2.29.0.09.1.0
PowerScale OneFS· Dell
70%
v < 8.1.2, 8.2.2, 9.1.0+8.1.08.1.18.1.28.2.08.2.18.2.29.0.09.1.0
Affected range stops below 8.1.2, 8.2.2, 9.1.0+, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.dell.com/support/kbdoc/en-us/000182873/dsa-2021-009-dell-powerscale-onefs-security-update-for-multiple-vulnerabilities

CVSS

7.8HIGHdell
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269NVD-CWE-noinfo

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