CVE-2019-1720

Cisco Expressway Series and Cisco TelePresence Video Communication Server Denial of Service Vulnerability

Description

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.

Category

6.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory cisco.com
Affected: Cisco Cisco TelePresence Video Communication Server (VCS)
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-ces-tvcs-dos vendor advisory
http://www.securityfocus.com/bid/108002 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2019-1720?
CVE-2019-1720 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1720?
To fix CVE-2019-1720, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1720 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1720 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1720?
CVE-2019-1720 affects Cisco Cisco TelePresence Video Communication Server (VCS).
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