CVE-2021-21548

Severity Score

7.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-04 CVE Reserved
2023-03-17 CVE Published
2024-08-03 CVE Updated
2024-10-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
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	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dell Search vendor "Dell"		Emc Unisphere For Powermax Search vendor "Dell" for product "Emc Unisphere For Powermax"				< 9.1.0.27 Search vendor "Dell" for product "Emc Unisphere For Powermax" and version " < 9.1.0.27"		-		Affected
Dell Search vendor "Dell"		Emc Unisphere For Powermax Virtual Appliance Search vendor "Dell" for product "Emc Unisphere For Powermax Virtual Appliance"				< 9.1.0.27 Search vendor "Dell" for product "Emc Unisphere For Powermax Virtual Appliance" and version " < 9.1.0.27"		-		Affected
Dell Search vendor "Dell"		Powermax Os Search vendor "Dell" for product "Powermax Os"				5978 Search vendor "Dell" for product "Powermax Os" and version "5978"		-		Affected