Cisco Unity Connection 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-2025-20278 [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-2024-20253 [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-2024-20305 [MEDIUM] CWE-79 CVE-2024-20305: A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authe A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit thi

CVE-2024-20272 [HIGH] CWE-434 CVE-2024-20272: A vulnerability in the web-based management interface of Cisco Unity Connection could allow an unaut A vulnerability in the web-based management interface of Cisco Unity Connection could allow an unauthenticated, remote attacker to upload arbitrary files to an affected system and execute commands on the underlying operating system. This vulnerability is due to a lack of authentication in a specific API and improper validation of user-supplied data. A

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-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-2022-20800 [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-2022-20788 [MEDIUM] CWE-79 CVE-2022-20788: 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 Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists b

CVE-2021-44228 [CRITICAL] CWE-20 CVE-2021-44228: Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LD

CVE-2021-34701 [MEDIUM] CWE-22 CVE-2021-34701: 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 authenticated, remote attacker to access s

CVE-2021-1362 [HIGH] CWE-94 CVE-2021-1362: A vulnerability in the SOAP API endpoint of Cisco Unified Communications Manager, Cisco Unified Comm A vulnerability in the SOAP API endpoint of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, and Cisco Prime License Manager could allow an authenticated, remote attacker to execute arbitrary code on an affected device

CVE-2021-1409 [MEDIUM] CWE-89 CVE-2021-1409: Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manag Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to

CVE-2021-1380 [MEDIUM] CWE-89 CVE-2021-1380: Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manag Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to

CVE-2021-1226 [MEDIUM] CWE-532 CVE-2021-1226: A vulnerability in the audit logging component of Cisco Unified Communications Manager, Cisco Unifie A vulnerability in the audit logging component of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, Cisco Emergency Responder, and Cisco Prime License Manager could allow an authenticated, remote attacker to view sen

CVE-2020-3130 [MEDIUM] CWE-22 CVE-2020-3130: A vulnerability in the web management interface of Cisco Unity Connection could allow an authenticat A vulnerability in the web management interface of Cisco Unity Connection could allow an authenticated remote attacker to overwrite files on the underlying filesystem. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web management interface. A successful ex

CVE-2020-3282 [MEDIUM] CWE-79 CVE-2020-3282: A vulnerability in the web-based management interface of Cisco Unified Communications Manager, Cisco A vulnerability in the web-based management interface of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a us

CVE-2020-3129 [MEDIUM] CWE-79 CVE-2020-3129: A vulnerability in the web-based management interface of Cisco Unity Connection Software could allow A vulnerability in the web-based management interface of Cisco Unity Connection Software could allow an authenticated, remote attacker to perform a stored cross-site scripting (XSS) attack. The vulnerability is due to insufficient input validation by the web-based management interface. An attacker could exploit this vulnerability by providing crafted d