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CVE-2018-0409

7.5 · HIGH
Published Aug 15, 2018 cisco CWE-20 EPSS 3.49% (88th pctl)

Overview

CVE-2018-0409 is a high-severity vulnerability affecting cisco telepresence_video_communication_server. It was published on August 15, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A vulnerability in the XCP Router service of the Cisco Unified Communications Manager IM & Presence Service (CUCM IM&P) and the Cisco TelePresence Video Communication Server (VCS) and Expressway could allow an unauthenticated, remote attacker to cause a temporary service outage for all IM&P users, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a malicious IPv4 or IPv6 packet to an affected device on TCP port 7400. An exploit could allow the attacker to overread a buffer, resulting in a crash and restart of the XCP Router service. Cisco Bug IDs: CSCvg97663, CSCvi55947.

Remediation

Check the references section for vendor advisories and patches from cisco. Update telepresence_video_communication_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2018-0409?

CVE-2018-0409 is a high-severity vulnerability affecting cisco telepresence_video_communication_server. It was published on August 15, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2018-0409?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-0409?

Check the references section for vendor advisories and patches from cisco. Update telepresence_video_communication_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-0409?

CyberStrike's AI-powered security agents can automatically detect CVE-2018-0409 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.