What is CVE-2021-21531?

CVE-2021-21531 is a high-severity vulnerability in Dell Powermax OS, classified under CWE-602. CVSS score: 8.1/10. Published 2021-04-30.

How severe is CVE-2021-21531?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Dell Powermax OS

CVE-2021-21531

Dell Unisphere for PowerMax versions prior to 9.2.1.6 contain an Authorization Bypass Vulnerability. A local authenticated malicious user with monitor role may exploit this vulnerability to perform unauthorized actions.

Published 2021-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.2th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Dell Powermax OS — versions 5978
Dell Solutions Enabler
Dell Solutions Enabler Virtual Appliance
Dell Unisphere For Powermax — versions unspecified
Dell Unisphere For Powermax
Dell Unisphere For Powermax Virtual Appliance

Weakness classification (CWE)

References

www.dell.com/support/kbdoc/000184565 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-21531?: CVE-2021-21531 is a high-severity vulnerability in Dell Powermax OS, classified under CWE-602. CVSS score: 8.1/10. Published 2021-04-30.
How severe is CVE-2021-21531?: High severity. CVSS v3 base score is 8.1 out of 10.