Cisco Unified Contact Center Express (Unified CCX) Deserialization Code Execution Vulnerability (CVE-2020-3280) Threat Alert

Cisco Unified Contact Center Express (Unified CCX) Deserialization Code Execution Vulnerability (CVE-2020-3280) Threat Alert

June 2, 2020 | Mina Hao

Overview

Recently, Cisco officially released a security advisory, announcing the fix of a high-risk vulnerability (CVE-2020-3280) in Unified Contact Center Express (Unified CCX). The vulnerability stems from the fact that during the deserialization operation of the software, the input provided by the user is not sufficiently restricted. The attacker can send a malicious Java object to trigger the vulnerability without authorization to execute arbitrary code.

CVSS3.0 Base Score: 9.8

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X

Cisco Unified Contact Center Express (Unified CCX) is a customer relationship management component of a unified communications solution from Cisco in the United States. This component supports functions such as self-service voice service, call distribution, and customer access control.

Affected Devices

Cisco Unified CCX <= 12.0

Unaffected Devices

Cisco Unified CCX 12.0(1)ES03

Cisco Unified CCX 12.5

Solution

Cisco has released version 6.7.1 to fix the preceding vulnerability. Affected users are advised to upgrade as soon as possible.

For details, click the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-rce-GMSC6RKN

Statement

This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.

About NSFOCUS

NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.

NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA).

A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.