Cisco Identity Services Engine Software vulnerabilities

CVE-2025-20281 [CRITICAL] CWE-74 CVE-2025-20281: A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, rem 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 vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An att

CVE-2026-76460 [CRITICAL] CWE-648 CVE-2026-76460: A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, re 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 vulnerability by sending a crafted request to an affected API endpoint. A successful exploit

CVE-2025-20337 [CRITICAL] CWE-74 CVE-2025-20337: A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, rem 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 vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An att

CVE-2025-20282 [CRITICAL] CWE-269 CVE-2025-20282: A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, re 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 due a lack of file validation checks that would prevent uploaded files from being placed in

CVE-2023-20085 [MEDIUM] CWE-79 CVE-2023-20085: 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 scripting (XSS) attack against a user of the web-based management interface of an affected device. This vulnerability is due to insufficient validation of user-supplied input by the web-b

CVE-2026-20029 [MEDIUM] CWE-611 CVE-2026-20029: A vulnerability in the licensing features of Cisco Identity Services Engine (ISE) and Cisco ISE A vulnerability in the licensing features of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker with administrative privileges to gain access to sensitive information. This vulnerability is due to improper parsing of XML that is processed by the web-based management

CVE-2025-20124 [HIGH] CWE-502 CVE-2025-20124: A vulnerability in an API of Cisco ISE could allow an authenticated, remote attacker to execute arbi 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 software. An attacker could exploit this vulnerability by sending a crafted serialized Java

CVE-2025-20125 [HIGH] CWE-285 CVE-2025-20125: A vulnerability in an API of Cisco ISE could allow an authenticated, remote attacker with valid read 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 specific API and improper validation of user-supplied data. An attacker could exploit this vu

CVE-2026-20147 [CRITICAL] CWE-77 CVE-2026-20147: A vulnerability in Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to exec A vulnerability in Cisco ISE and Cisco ISE-PIC 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 administrative credentials. This vulnerability is due to insufficient validation of user-supplied input. An

CVE-2026-20180 [CRITICAL] CWE-22 CVE-2026-20180: A vulnerability in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacke 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 Only Admin credentials. This vulnerability is due to insufficient validation of user-suppli

CVE-2026-20186 [CRITICAL] CWE-77 CVE-2026-20186: A vulnerability in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacke 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 Only Admin credentials. This vulnerability is due to insufficient validation of user-suppli

CVE-2022-20964 [HIGH] CWE-78 CVE-2022-20964: 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 inject arbitrary commands on the underlying operating system. This vulnerability is due to improper validation of user input within requests as part of the web-based management interface. An attacker could exploit this

CVE-2026-76423 [CRITICAL] CWE-290 CVE-2026-76423: A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remot A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP reque

CVE-2026-20307 [CRITICAL] CWE-502 CVE-2026-20307: A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, rem A vulnerability in the web-based management interface of 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 at least low-privileged administrative credentials. This vulnerability is due to insecure des

CVE-2026-20181 [CRITICAL] CWE-22 CVE-2026-20181: A vulnerability in Cisco ISE and ISE-PIC could allow an authenticated, remote attacker to execute ar A vulnerability in Cisco ISE and ISE-PIC 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 administrative credentials. This vulnerability is due to insufficient validation of user-supplied input. An attack

CVE-2025-20286 [CRITICAL] CWE-259 CVE-2025-20286: A vulnerability in Amazon Web Services (AWS), Microsoft Azure, and Oracle Cloud Infrastructure (OCI) A vulnerability in Amazon Web Services (AWS), Microsoft Azure, and Oracle Cloud Infrastructure (OCI) cloud deployments of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to access sensitive data, execute limited administrative operations, modify system configurations, or disrupt services within the impacted sys

CVE-2025-20284 [HIGH] CWE-74 CVE-2025-20284: 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-2026-20306 [CRITICAL] CWE-78 CVE-2026-20306: A vulnerability in the REST API of Cisco ISE and ISE-PIC could allow an authenticated, remote attack A vulnerability in the REST API of Cisco ISE and ISE-PIC could allow an authenticated, remote attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of us

CVE-2026-20305 [CRITICAL] CWE-78 CVE-2026-20305: A vulnerability in the diagnostic tools of Cisco ISE and ISE-PIC could allow an authenticated, remot A vulnerability in the diagnostic tools of Cisco ISE and ISE-PIC could allow an authenticated, remote attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validati

CVE-2026-20211 [CRITICAL] CWE-502 CVE-2026-20211: 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 insecure deserialization of Java objects by the affe