How severe is CVE-2026-21422?

CVE-2026-21422 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-21422 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-2026-21422?

CVE-2026-21422 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21422?

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

Does CVE-2026-21422 have an EU (EUVD) identifier?

Yes. CVE-2026-21422 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9397.

When was CVE-2026-21422 published?

CVE-2026-21422 was published on 2026-03-04 and last updated on 2026-06-17.

CVE-2026-21422

CVE-2026-21422 is a low-severity vulnerability in Dell Powerscale Onefs with a CVSS 3.x base score of 3.4. 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-15.

Key facts

Severity: Low (CVSS 3.x base score 3.4)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9397
Weakness: CWE-15
Affected product: Dell Powerscale Onefs
Published: 2026-03-04
Last modified: 2026-06-17

Description

Dell PowerScale OneFS, versions 9.10.0.0 through 9.13.1.0, contains an external control of system or configuration setting vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to protection mechanism bypass.

Frequently asked questions

What is CVE-2026-21422?: Dell PowerScale OneFS, versions 9.10.0.0 through 9.13.1.0, contains an external control of system or configuration setting vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to protection mechanism bypass.
How severe is CVE-2026-21422?: CVE-2026-21422 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-21422 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-2026-21422?: CVE-2026-21422 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21422 have an EU (EUVD) identifier?: Yes. CVE-2026-21422 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9397.
When was CVE-2026-21422 published?: CVE-2026-21422 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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