What’s Vulnerable › Vulnerabilities
CVE-2026-20193: Cisco Identity Services Engine Authentication Bypass Vulnerability
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-06 · updated 2026-10-26
- Weakness: CWE-862
Description
A vulnerability in the RADIUS Policy API endpoints of Cisco ISE could allow an authenticated, remote attacker with read-only Administrator privileges to gain unauthorized access to sensitive information on an affected device. This vulnerability is due to improper role-based access control (RBAC) permissions on the RADIUS Policy API endpoints. An attacker could exploit this vulnerability by bypassing the web-based management interface and directly calling an affected endpoint. A successful exploit could allow the attacker to gain unauthorized read access to sensitive RADIUS Policy details that are restricted for their role.
Affected products
- Cisco Identity Services Engine: through 3.2.0; 3.3.0, 3.3.0-patch1, 3.3.0-patch10, 3.3.0-patch2, 3.3.0-patch3, 3.3.0-patch4 (+14)
References
Get alerted when CVE-2026-20193 or the next vulnerability affects your stack