What is CVE-2019-1720?

CVE-2019-1720 is a vulnerability in the XML API of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) that allows an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected system.

What is the severity of CVE-2019-1720?

The severity of CVE-2019-1720 is medium with a CVSS score of 4.9.

How does CVE-2019-1720 affect Cisco TelePresence Video Communication Server?

CVE-2019-1720 affects Cisco TelePresence Video Communication Server by causing the CPU to increase to 100% utilization, resulting in a DoS condition.

Is there a fix for CVE-2019-1720?

Yes, Cisco has released a security advisory with mitigation details and software updates to address the vulnerability. Please refer to the Cisco Security Advisory for specific instructions.

Where can I find more information about CVE-2019-1720?

You can find more information about CVE-2019-1720 in the SecurityFocus and Cisco Security Advisory links provided.

Vulnerability/
CVE-2019-1720

medium

6.8

CWE

18/4/2019

9/10/2019

CVE-2019-1720: Input Validation

First published: Thu Apr 18 2019(Updated: )

A vulnerability in the XML API 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 specifically crafted XML payload. A successful exploit could allow the attacker to exhaust CPU resources, resulting in a DoS condition until the system is manually rebooted. Software versions prior to X12.5.1 are affected.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco TelePresence Video Communication Server	<x12.5.1

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Frequently Asked Questions

What is CVE-2019-1720?
CVE-2019-1720 is a vulnerability in the XML API of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) that allows an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected system.
What is the severity of CVE-2019-1720?
The severity of CVE-2019-1720 is medium with a CVSS score of 4.9.
How does CVE-2019-1720 affect Cisco TelePresence Video Communication Server?
CVE-2019-1720 affects Cisco TelePresence Video Communication Server by causing the CPU to increase to 100% utilization, resulting in a DoS condition.
Is there a fix for CVE-2019-1720?
Yes, Cisco has released a security advisory with mitigation details and software updates to address the vulnerability. Please refer to the Cisco Security Advisory for specific instructions.
Where can I find more information about CVE-2019-1720?
You can find more information about CVE-2019-1720 in the SecurityFocus and Cisco Security Advisory links provided.

collector/nvd-index
agent/weakness
agent/references
vendor/cisco
canonical/cisco telepresence video communication server

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