CVE-2019-1721Improper Input Validation in Cisco Telepresence Video Communication Server

Severity
6.5MEDIUMNVD
EPSS
1.1%
top 21.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 18
Latest updateMay 13

Description

A vulnerability in the phone book feature of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to cause the CPU to increase to 100% utilization, causing a denial of service (DoS) condition on an affected system. The vulnerability is due to improper handling of the XML input. An attacker could exploit this vulnerability by sending a Session Initiation Protocol (SIP) message with a crafted XML payload to an affected device

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

🔴Vulnerability Details

2
GHSA
GHSA-7qgm-86vq-4g8p: A vulnerability in the phone book feature of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authentica2022-05-13
CVEList
Cisco Expressway Series and Cisco TelePresence Video Communication Server Denial of Service Vulnerability2019-04-18

📋Vendor Advisories

2
Microsoft
.NET Core and Visual Studio Denial of Service Vulnerability2021-02-09
Cisco
Cisco Expressway Series and Cisco TelePresence Video Communication Server Denial of Service Vulnerability2019-04-17
CVE-2019-1721 — Improper Input Validation in Cisco | cvebase