CVE-2021-21548
7.4 · HIGHOverview
CVE-2021-21548 is a high-severity vulnerability affecting dell emc_unisphere_for_powermax. It was published on March 17, 2023 and has a CVSS 3.1 base score of 7.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Dell EMC Unisphere for PowerMax versions before 9.1.0.27, Dell EMC Unisphere for PowerMax Virtual Appliance versions before 9.1.0.27, and PowerMax OS Release 5978 contain an improper certificate validation vulnerability. An unauthenticated remote attacker may potentially exploit this vulnerability to carry out a man-in-the-middle attack by supplying a crafted certificate and intercepting the victim's traffic to view or modify a victim’s data in transit.
Remediation
Check the references section for vendor advisories and patches from dell. Update emc_unisphere_for_powermax to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| dell | emc_unisphere_for_powermax | >= 0, < 9.1.0.27 | Affected |
| dell | emc_unisphere_for_powermax_virtual_appliance | >= 0, < 9.1.0.27 | Affected |
References
Frequently Asked Questions
What is CVE-2021-21548?
CVE-2021-21548 is a high-severity vulnerability affecting dell emc_unisphere_for_powermax. It was published on March 17, 2023 and has a CVSS 3.1 base score of 7.4 (HIGH).
How severe is CVE-2021-21548?
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-21548?
Check the references section for vendor advisories and patches from dell. Update emc_unisphere_for_powermax to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-21548?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-21548 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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