Main Vulnerability Database Vulnerabilities #VU47528

Uncontrolled Memory Allocation in Cisco Expressway and Cisco TelePresence Video Communication Server - CVE-2020-3596

Published: October 8, 2020 / Updated: October 13, 2020

Vulnerability identifier: #VU47528

CSH Severity: Medium

CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-3596

CWE-ID: CWE-789

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect handling of incoming Session Initiation Protocol (SIP) traffic. A remote attacker can send a series of SIP packets and cause a DoS condition.

Affected software

Cisco Expressway
Cisco TelePresence Video Communication Server

How to mitigate CVE-2020-3596

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-vcs-dos-n6xxTMZB

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