CVE & CISA-KEV Catalog

CVE-2021-21531

HIGH
8.1
CVSS v3
NVD

Description

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.

CWE-602CWE-669

How to fix

Remediation Available
solutions enablerNVD
Affected:>= 9.2.0, < 9.2.1.6Fixed in:9.2.1.6CVE-2021-21531derived from NVD
solutions enabler virtual applianceNVD
Affected:>= 9.2.0, < 9.2.1.1Fixed in:9.2.1.1CVE-2021-21531derived from NVD
unisphere for powermax virtual applianceNVD
Affected:>= 9.2.1.0, < 9.2.1.6Fixed in:9.2.1.6CVE-2021-21531derived from NVD

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Exploit Intelligence

0.69%probability of exploitation in 30 days
50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-602 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-8162High7.53.0%-Fix
CVE-2024-23666High7.52.7%-Fix
CVE-2014-2374High7.51.9%--
CVE-2014-2373High7.51.8%--
CVE-2020-24683Critical9.81.5%--
CVE-2022-20658Critical9.61.4%--

Common questions

How do I fix CVE-2021-21531?

Published advisories record a fix for 3 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2021-21531 being actively exploited?

Not that we know of. CVE-2021-21531 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.69% is the estimated probability that it will be exploited in the next 30 days. That is higher than 50% of all scored CVEs.

How severe is CVE-2021-21531?

CVE-2021-21531 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-21531 affect?

Published advisories record a fix for solutions enabler (NVD), solutions enabler virtual appliance (NVD), unisphere for powermax virtual appliance (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.