CVE-2026-20235: Cisco Identity Services Engine Information Disclosure Vulnerability
A vulnerability in the API of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to view sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to insufficient validation of user-supplied parameters in API requests. An attacker could exploit this vulnerability by sending a crafted API request to an affected device. A successful exploit could allow the attacker to gain access to sensitive information, including hashed credentials that could be used in future attacks.
Affected Software
Event History
Frequently Asked Questions
Who is realistically exposed to this issue?
Cisco Identity Services Engine deployments with API access are exposed if an attacker can authenticate with valid administrative credentials. Unauthenticated users are not described as able to exploit the issue.
What does an attacker need to exploit it?
The attacker needs remote network access to the affected device and valid administrative credentials. They must send a crafted API request containing user-supplied parameters.
What information could be disclosed?
A successful exploit can expose sensitive information, including hashed credentials. The disclosed hashes could be used in future attacks.