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Rewterz Threat Advisory – Cisco DNA Center Certificate Validation Vulnerability

Severity

High

Analysis Summary

CVE-2021-1134

A vulnerability in the Cisco Identity Services Engine (ISE) integration feature of the Cisco DNA Center Software could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data. An attacker could exploit this vulnerability by supplying a crafted certificate and could then intercept communications between the ISE and DNA Center. A successful exploit could allow the attacker to view and alter sensitive information that the ISE maintains about clients that are connected to the network.

Impact

  • Information Theft
  • Unauthorized Access

Affected Vendors

Cisco

Affected Products

  • Cisco DNA Center Software releases earlier than 2.2.2.1

Remediation

Refer to Cisco advisory for the complete list of affected product and their respective patches.

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-certvalid-USEj2CZk

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