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Product · Cisco

Cisco Identity Services Engine Software

200 known vulnerabilities.

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  • Critical 10.0
    CVE-2026-76460 Exploited Public exploit Scanner template EPSS 76%

    Cisco Identity Services Engine Authentication Bypass Vulnerability

    A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vul…

    KEV Sep 16, 2026
  • Critical 9.9
    CVE-2026-20180 Public exploit

    Cisco Identity Services Engine Multiple Remote Code Execution Vulnerability

    A vulnerability in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have at least Read O…

  • High 8.6
    CVE-2025-20343 Public exploit

    Cisco Identity Services Engine Radius Suppression Denial of Service Vulnerability

    A vulnerability in the RADIUS setting Reject RADIUS requests from clients with repeated failures on Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause Cisco ISE to restart unexpectedly. This vulnerability is due to a…

  • Critical 10.0
    CVE-2025-20282 Public exploit Scanner template EPSS 39%

    Cisco ISE API Unauthenticated Remote Code Execution Vulnerability

    A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to upload arbitrary files to an affected device and then execute those files on the underlying operating system as root. This vulnerability is du…

  • Critical 10.0
    CVE-2025-20281 Exploited Public exploit Scanner template EPSS 98%

    Cisco ISE API Unauthenticated Remote Code Execution Vulnerability

    A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerab…

    KEV Jul 28, 2025
  • Critical 9.1
    CVE-2025-20125 Public exploit EPSS 16%

    Cisco Identity Services Engine Insufficient Authorization Bypass Vulnerability

    A vulnerability in an API of Cisco ISE could allow an authenticated, remote attacker with valid read-only credentials to obtain sensitive information, change node configurations, and restart the node. This vulnerability is due to a lack of authorization in a …

  • Critical 9.9
    CVE-2025-20124 Public exploit EPSS 19%

    Cisco Identity Services Engine Java Deserialization Vulnerability

    A vulnerability in an API of Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands as the root user on an affected device. This vulnerability is due to insecure deserialization of user-supplied Java byte streams by the affected…