CVE-2021-21548

Sep 3, 2024

Published Date: 2023-03-17T06:15Z

Last Modified: 2023-11-07T03:30Z

CVSS Score: 7.4 (HIGH)

EPSS Score: 0.12%

Risk Score: 5.18 (HIGH)

Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.

CVSS: 7.4 | EPSS: 0.12%

NVD Links:

https://nvd.nist.gov/vuln/detail/CVE-2021-21548

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.

Mitre ATT&CK Technical v15.1

T1053.002 – At

Technical Analysis & Mitigation Measures

Reference Links

https://www.dell.com/support/kbdoc/en-uk/000189606/dsa-2021-134-dell-emc-unisphere-for-powermax-dell-emc-unisphere-for-powermax-virtual-appliance-dell-emc-solutions-enabler-virtual-appliance-and-dell-emc-powermax-embedded-management-security-update-for-multiple-third-party-component-vulnerabilities

Vendor - Produce - Version

powermax_os - dell, emc_unisphere_for_powermax_virtual_appliance - dell, emc_unisphere_for_powermax - dell

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