#VU52933 Improper access control in Unified Communications Manager (CallManager) and Cisco Unified Communications Manager Session Management Edition - CVE-2021-1478

 

#VU52933 Improper access control in Unified Communications Manager (CallManager) and Cisco Unified Communications Manager Session Management Edition - CVE-2021-1478

Published: May 6, 2021


Vulnerability identifier: #VU52933
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1478
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Unified Communications Manager (CallManager)
Cisco Unified Communications Manager Session Management Edition
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the Java Management Extensions (JMX) component. A remote attacker can access the port and restart the JMX process, leading to denial of service (DoS) condition.


Remediation

Install updates from vendor's website.

External links