CVE-2020-3596

Medium

Description

A vulnerability in the Session Initiation Protocol (SIP) of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect handling of incoming SIP traffic. An attacker could exploit this vulnerability by sending a series of SIP packets to an affected device. A successful exploit could allow the attacker to exhaust memory on an affected device, causing it to crash and leading to a DoS condition.

SeverityMedium
CVSS5.9
Exploit probability—
ProductCisco Expressway
PublishedOct 8, 2020
First seenOct 8, 2020
Weakness typeCWE-789CWE-789

How to fix

Affected products

ProductAffected versionsFixed in
cisco expresswayv ≤ x12.6.3—
cisco telepresence_video_communication_serverv ≤ x12.6.3—

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