Cisco Identity Services Engine Software vulnerabilities

CVE-2026-20176 [CRITICAL] CWE-77 CVE-2026-20176: A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary comm A vulnerability in Cisco 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 valid high-privileged administrative credentials. This vulnerability is due to insufficient validation of user-supplied input. An at

CVE-2022-20733 [CRITICAL] CWE-287 CVE-2022-20733: A vulnerability in the login page of Cisco Identity Services Engine (ISE) could allow an unauthentic A vulnerability in the login page of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to log in without credentials and access all roles without any restrictions. This vulnerability is due to exposed sensitive Security Assertion Markup Language (SAML) metadata. An attacker could exploit this vulnerability by usi

CVE-2026-20192 [CRITICAL] CWE-284 CVE-2026-20192: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vul

CVE-2025-20283 [HIGH] CWE-74 CVE-2025-20283: A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remot A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to execute arbitrary code on the underlying operating system as root. This vulnerability is due to insufficient validation of user-supplied input. An attacker with valid credentials could exploit this vulnerability by submitting a crafted API

CVE-2026-20234 [CRITICAL] CWE-522 CVE-2026-20234: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vul

CVE-2026-20130 [CRITICAL] CWE-74 CVE-2026-20130: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC), engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vul

CVE-2022-20956 [HIGH] CWE-648 CVE-2022-20956: A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to bypass authorization and access system files. This vulnerability is due to improper access control in the web-based management interface of an affected device. An attacker could exploit this vulnerability by sen

CVE-2022-20962 [HIGH] CWE-37 CVE-2022-20962: A vulnerability in the Localdisk Management feature of Cisco Identity Services Engine (ISE) could al A vulnerability in the Localdisk Management feature of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to make unauthorized changes to the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request with a

CVE-2026-20284 [CRITICAL] CWE-943 CVE-2026-20284: A vulnerability in the SXP REST API of Cisco ISE could allow an authenticated, remote attacker to co A vulnerability in the SXP REST API of Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks. This vulnerability is due to insufficient validation of user-supplied input in REST API calls. An attacker could exploit this vulnerability by sending crafted input to an affected device. A successful exploit could allo

CVE-2023-20272 [HIGH] CWE-424 CVE-2023-20272: A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to upload malicious files to the web root of the application. This vulnerability is due to insufficient file input validation. An attacker could exploit this vulnerability by uploading a malicious file to the web interfa

CVE-2021-1594 [HIGH] CWE-266 CVE-2021-1594: A vulnerability in the REST API of Cisco Identity Services Engine (ISE) could allow an unauthenticat A vulnerability in the REST API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to perform a command injection attack and elevate privileges to root. This vulnerability is due to insufficient input validation for specific API endpoints. An attacker in a man-in-the-middle position could exploit this vulnerability b

CVE-2022-20822 [HIGH] CWE-22 CVE-2022-20822: A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to read and delete files on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contai

CVE-2024-20417 [HIGH] CWE-89 CVE-2024-20417: Multiple vulnerabilities in the REST API of Cisco Identity Services Engine (ISE) could allow an auth Multiple vulnerabilities in the REST API of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct blind SQL injection attacks. These vulnerabilities are due to insufficient validation of user-supplied input in REST API calls. An attacker could exploit these vulnerabilities by sending crafted input to an affected

CVE-2026-76424 [HIGH] CWE-23 CVE-2026-76424: A vulnerability in the REST API of Cisco ISE could allow an authenticated, remote attacker to upload A vulnerability in the REST API of Cisco ISE could allow an authenticated, remote attacker to upload or copy arbitrary files on an affected device. This vulnerability is due to insufficient validation in file operations. An attacker could exploit this vulnerability by uploading a file with a crafted path. A successful exploit could allow the attacker

CVE-2026-20352 [HIGH] CWE-119 CVE-2026-20352: A vulnerability in the RADIUS feature of Cisco Identity Services Engine (ISE) could allow an unauthe A vulnerability in the RADIUS feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this vulnerability by sending a crafted RADIUS request di

CVE-2023-20243 [HIGH] CWE-399 CVE-2023-20243: A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) cou A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause the affected system to stop processing RADIUS packets. This vulnerability is due to improper handling of certain RADIUS accounting requests. An attacker could exploit this vulnerability by sending a

CVE-2024-20368 [HIGH] CWE-352 CVE-2024-20368: A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected device. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an a

CVE-2024-20486 [HIGH] CWE-352 CVE-2024-20486: A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected device. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an

CVE-2025-20152 [HIGH] CWE-125 CVE-2025-20152: A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) cou A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this vulnerability by sending a specif

CVE-2026-20190 [HIGH] CWE-285 CVE-2026-20190: A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sen A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive information on an affected device. This vulnerability is due to improper authorization checks when a resource is accessed. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could