CVE-2021-1478 MEDIUM

CVE-2021-1478: Cisco Unified Communications Manager Denial of Service Vulnerability

Vendor Cisco
Product Cisco Unified Communications Manager
Weakness CWE-284
Published May 6, 2021
Last update November 8, 2024

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

A vulnerability in the Java Management Extensions (JMX) component 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 system. This vulnerability is due to an unsecured TCP/IP port. An attacker could exploit this vulnerability by accessing the port and restarting the JMX process. A successful exploit could allow the attacker to cause a DoS condition on an affected system.

Key dates

02Disclosure timeline

May 6, 2021 CVE published
November 8, 2024 Record updated