Unauthenticated Authorization Bypass in Cisco ISE

Executive Summary

This vulnerability is in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC). It allows an unauthenticated remote attacker to obtain an endpoint identity certificate by sending a crafted request to an affected device. The issue is due to improper authorization checks, which could let the attacker bypass authorization.

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Impact Analysis

An attacker could exploit this to obtain sensitive endpoint certificates, potentially leading to unauthorized access or impersonation of legitimate devices on the network. This could compromise network security and data integrity.

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Compliance Impact

This vulnerability allows unauthorized access to endpoint identity certificates, which could lead to data breaches or unauthorized access to sensitive information. Such breaches may violate compliance requirements under GDPR (data protection) and HIPAA (healthcare data security) by exposing personal or protected health information.

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Mitigation Strategies

Apply the latest security patches from Cisco for Cisco ISE and ISE-PIC to address the improper authorization checks. Monitor network traffic for unusual requests targeting the authorization mechanism. Ensure endpoint identity certificates are reviewed for unauthorized issuance.

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