Cisco Cisco Unified Communications Manager
52 CVEs affecting Cisco Cisco Unified Communications Manager. Latest disclosed: 2026-06-03. Critical: 2, High: 8.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2025-20309 | Critical | 10.0 | 2025-07-02 | A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could… |
CVE-2024-20253 | Critical | 9.9 | 2024-01-26 | A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbit… |
CVE-2026-20230 | High | 8.6 | 2026-06-03 | A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could… |
CVE-2024-20375 | High | 8.6 | 2024-08-21 | A vulnerability in the SIP call processing function of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Manag… |
CVE-2023-20259 | High | 8.6 | 2023-10-04 | A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilizat… |
CVE-2019-1887 | High | 8.6 | 2019-07-06 | A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager could allow an unauthenticated, remote… |
CVE-2026-20045 | High | 8.2 | 2026-01-21 | A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco U… |
CVE-2023-20211 | High | 8.1 | 2023-08-16 | A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Man… |
CVE-2023-20010 | High | 8.1 | 2023-01-19 | A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Man… |
CVE-2020-3177 | High | 7.5 | 2020-04-15 | A vulnerability in the Tool for Auto-Registered Phones Support (TAPS) of Cisco Unified Communications Manager (UCM) and Cisco Unified Communications Manager Se… |
CVE-2023-20116 | Medium | 6.8 | 2023-06-28 | A vulnerability in the Administrative XML Web Service (AXL) API of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager S… |
CVE-2023-20266 | Medium | 6.5 | 2023-08-30 | A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Editio… |
CVE-2022-20816 | Medium | 6.5 | 2022-08-10 | A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Man… |
CVE-2022-20859 | Medium | 6.5 | 2022-07-06 | A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence… |
CVE-2022-20791 | Medium | 6.5 | 2022-07-06 | A vulnerability in the database user privileges of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management E… |
CVE-2022-20790 | Medium | 6.5 | 2022-04-21 | A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Man… |
CVE-2021-34773 | Medium | 6.5 | 2021-11-04 | A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Manage… |
CVE-2021-1355 | Medium | 6.5 | 2021-01-20 | Multiple vulnerabilities in Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an attacker to conduct path traver… |
CVE-2021-1357 | Medium | 6.5 | 2021-01-20 | Multiple vulnerabilities in Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an attacker to conduct path traver… |
CVE-2021-1364 | Medium | 6.5 | 2021-01-20 | Multiple vulnerabilities in Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an attacker to conduct path traver… |