SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-26191

Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 contain a privilege escalation vulnerability.

HIGH 7.8EPSS 0.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.29% probability · 22th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-269
Affected
dell/emc powerscale onefs
Source
security_alert@emc.com
EPSS trend
0%3%5%26 October 2026: 0.29%26 October 202626 October 2026

EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.