How severe is CVE-2020-26181?

CVE-2020-26181 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-26181 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26181?

CVE-2020-26181 primarily affects Dell Emc Isilon Onefs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-26181?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-26181 published?

CVE-2020-26181 was published on 2021-01-05 and last updated on 2026-06-17.

CVE-2020-26181

CVE-2020-26181 is a high-severity vulnerability in Dell Emc Isilon Onefs with a CVSS 3.x base score of 7.0. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 7.2
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Dell Emc Isilon Onefs
Published: 2021-01-05
Last modified: 2026-06-17

Description

Dell EMC Isilon OneFS versions 8.1 and later and Dell EMC PowerScale OneFS version 9.0.0 contain a privilege escalation vulnerability on a SmartLock Compliance mode cluster. The compadmin user connecting using ISI PRIV LOGIN SSH or ISI PRIV LOGIN CONSOLE can elevate privileges to the root user if they have ISI PRIV HARDENING privileges.

Frequently asked questions

What is CVE-2020-26181?: Dell EMC Isilon OneFS versions 8.1 and later and Dell EMC PowerScale OneFS version 9.0.0 contain a privilege escalation vulnerability on a SmartLock Compliance mode cluster. The compadmin user connecting using ISI PRIV LOGIN SSH or ISI PRIV LOGIN CONSOLE can elevate privileges to the root user if they have ISI PRIV HARDENING privileges.
How severe is CVE-2020-26181?: CVE-2020-26181 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-26181 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26181?: CVE-2020-26181 primarily affects Dell Emc Isilon Onefs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-26181?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-26181 published?: CVE-2020-26181 was published on 2021-01-05 and last updated on 2026-06-17.

References

https://www.dell.com/support/security/en-us/details/546720/DSA-2020-227-Dell-EMC-PowerScale-OneFS-and-Dell-EMC-Isilon-OneFS-Security-Update-for-SmartLock-Co

Affected products (2)

cpe:2.3:a:dell:emc_isilon_onefs:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_powerscale_onefs:9.0.0:*:*:*:*:*:*:*

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