Cisco Identity Services Engine (ISE) has a serious vulnerability (CVE-2025-20286) that affects installations on AWS, Azure, and Oracle Cloud, allowing remote attackers to access sensitive data and system settings. This flaw arises from the incorrect user data generation in cloud deployments, leading to static login credentials across systems. Researchers warn that with this vulnerability scoring 9.9 on the CVSS scale, malicious actors could exploit it to view sensitive data, perform administrative tasks, or disrupt services. While there are no complete fixes, implementing IP address restrictions can mitigate the issue.
A serious security flaw in Cisco Identity Services Engine (ISE) running in cloud environments allows remote attackers to access sensitive data and modify settings.
This vulnerability, designated CVE-2025-20286, scores 9.9 out of 10 on the CVSS scale, indicating it as a critical security threat that affects multiple platforms.
Research indicates that if exploited, attackers could use stolen credentials to log into various Cisco ISE systems in similar cloud settings, gathering sensitive information.
Despite the lack of complete solutions, mitigating measures such as restricting access through IP addresses can help reduce exposure to this flaw.
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