How severe is CVE-2026-21425?

CVE-2026-21425 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21425 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21425?

CVE-2026-21425 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21425?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21425 have an EU (EUVD) identifier?

Yes. CVE-2026-21425 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9390.

When was CVE-2026-21425 published?

CVE-2026-21425 was published on 2026-03-04 and last updated on 2026-06-17.

CVE-2026-21425

CVE-2026-21425 is a medium-severity vulnerability in Dell Powerscale Onefs with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9390
Weakness: CWE-266
Affected product: Dell Powerscale Onefs
Published: 2026-03-04
Last modified: 2026-06-17

Description

Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect privilege assignment vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

Frequently asked questions

What is CVE-2026-21425?: Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect privilege assignment vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.
How severe is CVE-2026-21425?: CVE-2026-21425 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21425 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21425?: CVE-2026-21425 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21425?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21425 have an EU (EUVD) identifier?: Yes. CVE-2026-21425 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9390.
When was CVE-2026-21425 published?: CVE-2026-21425 was published on 2026-03-04 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-sg/000432452/dsa-2026-038-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities

Affected products (1)

cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:*

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