Cisco Unified Communications Manager vulnerabilities

CVE-2026-20045 [HIGH] CWE-94 CVE-2026-20045: A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications M A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connection, and Cisco Webex Calling Dedicated Instance could allow an unauthenticated, remote attacker to execut

CVE-2025-20326 [MEDIUM] CWE-352 CVE-2025-20326: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) Software and Cisco Unified CM Session Management Edition (SME) Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected device. This vulnerability is due to insufficient CSRF

CVE-2025-20309 [CRITICAL] CWE-798 CVE-2025-20309: A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communication A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to log in to an affected device using the root account, which has default, static credentials that cannot be changed or deleted. This vulnerabilit

CVE-2025-20278 [MEDIUM] CWE-77 CVE-2025-20278: A vulnerability in the CLI of multiple Cisco Unified Communications products could allow an authenti A vulnerability in the CLI of multiple Cisco Unified Communications products could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device as the root user. This vulnerability is due to improper validation of user-supplied command arguments. An attacker could exploit this vulnerab

CVE-2024-20511 [MEDIUM] CWE-79 CVE-2024-20511: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists becau

CVE-2024-20375 [HIGH] CWE-787 CVE-2024-20375: A vulnerability in the SIP call processing function of Cisco Unified Communications Manager (Unified A vulnerability in the SIP call processing function of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper parsing o

CVE-2024-20488 [MEDIUM] CWE-79 CVE-2024-20488: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists becau

CVE-2024-20253 [CRITICAL] CWE-502 CVE-2024-20253: A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to the improper processing of user-provided data that is being read into memory. An attacker could exploit this vulnerability by se

CVE-2023-20259 [HIGH] CWE-400 CVE-2023-20259: A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for device management and is unlikely to be used in normal operati

CVE-2023-20266 [MEDIUM] CWE-347 CVE-2023-20266: A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cis A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the applicat

CVE-2023-20211 [HIGH] CWE-89 CVE-2023-20211: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to improper validation of user-sup

CVE-2023-20242 [MEDIUM] CWE-79 CVE-2023-20242: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified CM Session Management Edition (Unified CM SME), and Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack agains

CVE-2023-20116 [MEDIUM] CWE-835 CVE-2023-20116: A vulnerability in the Administrative XML Web Service (AXL) API of Cisco Unified Communications Mana A vulnerability in the Administrative XML Web Service (AXL) API of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insuff

CVE-2023-20010 [HIGH] CWE-89 CVE-2023-20010: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability exists because the web-based management i

CVE-2022-20816 [MEDIUM] CWE-22 CVE-2022-20816: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to delete arbitrary files from an affected system. This vulnerability exists because the affected software does no

CVE-2022-20859 [MEDIUM] CWE-284 CVE-2022-20859: A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an authenticated, remote attacker to perform certain administrative actions they should not be able to. This vulnerability is due

CVE-2022-20752 [MEDIUM] CWE-208 CVE-2022-20752: A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications M A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to perform a timing attack. This vulnerability is due to insufficient protection of a system password. An attacker could exp

CVE-2022-20815 [MEDIUM] CWE-79 CVE-2022-20815: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified CM Session Management Edition (Unified CM SME), and Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack agains

CVE-2022-20800 [MEDIUM] CWE-79 CVE-2022-20800: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unifi A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduc

CVE-2022-20791 [MEDIUM] CWE-36 CVE-2022-20791: A vulnerability in the database user privileges of Cisco Unified Communications Manager (Unified CM) A vulnerability in the database user privileges of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an authenticated, remote attacker to read arbitrary files on the underlying