CVE-2020-3160— Cisco Meeting Server Extensible Messaging and Presence Protocol Denial of Service Vulnerability
Quick assessment
Affected
Cisco Cisco Meeting Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco Meeting Server（Acano Conferencing Server）是美国思科（Cisco）公司的一套包含音频、视频的会议服务器软件。 Cisco Meeting Server 2.8之前版本中的Extensible Messaging and Presence Protocol (XMPP)功能存在输入验证错误漏洞，该漏洞是源于未对XMPP数据包进行正确的输入验证。攻击者可通过将特制的XMPP数据包发送到受影响的设备利用该漏洞造成拒绝服务（崩溃）。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-3160
Vulnerability Information
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Vulnerability Title
Cisco Meeting Server Extensible Messaging and Presence Protocol Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Extensible Messaging and Presence Protocol (XMPP) feature of Cisco Meeting Server software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition for users of XMPP conferencing applications. Other applications and processes are unaffected. The vulnerability is due to improper input validation of XMPP packets. An attacker could exploit this vulnerability by sending crafted XMPP packets to an affected device. An exploit could allow the attacker to cause process crashes and a DoS condition for XMPP conferencing applications.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Meeting Server 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Meeting Server（Acano Conferencing Server）是美国思科（Cisco）公司的一套包含音频、视频的会议服务器软件。 Cisco Meeting Server 2.8之前版本中的Extensible Messaging and Presence Protocol (XMPP)功能存在输入验证错误漏洞，该漏洞是源于未对XMPP数据包进行正确的输入验证。攻击者可通过将特制的XMPP数据包发送到受影响的设备利用该漏洞造成拒绝服务（崩溃）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Meeting Server | unspecified ~ n/a | - |
|
II. Public POCs for CVE-2020-3160
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-3160 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cms-xmpp-dos-ptfGUsBx vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2020-02-19 · 15 CVEs total
| CVE-2019-1950 | 8.4 HIGH | Cisco IOS XE SD-WAN Software Default Credentials Vulnerability |
| CVE-2020-3156 | 6.1 MEDIUM | Cisco Identity Services Engine Cross-Site Scripting Vulnerability |
| CVE-2015-0749 | 4.3 MEDIUM | Cisco Unified Communications Manager Cross-Site Scripting Vulnerability |
| CVE-2011-2054 | 4.3 MEDIUM | Cisco ASA Secondary Authentication Bypass Vulnerability |
| CVE-2020-3163 | Cisco Unified Contact Center Enterprise Denial of Service Vulnerability | |
| CVE-2020-3159 | Cisco Finesse Web-Based Management Interface Cross-Site Scripting Vulnerability | |
| CVE-2020-3158 | Cisco Smart Software Manager On-Prem Static Default Credential Vulnerability | |
| CVE-2020-3154 | Cisco Cloud Web Security SQL Injection Vulnerability | |
| CVE-2020-3153 | Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability | |
| CVE-2020-3138 | Cisco Enterprise NFV Infrastructure Software Remote Code Execution Vulnerability | |
| CVE-2020-3132 | Cisco Email Security Appliance Shortened URL Denial of Service Vulnerability | |
| CVE-2020-3114 | Cisco Data Center Network Manager Cross-Site Request Forgery Vulnerability | |
| CVE-2020-3112 | Cisco Data Center Network Manager Privilege Escalation Vulnerability | |
| CVE-2020-3113 | Cisco Data Center Network Manager Stored Cross-Site Scripting Vulnerability |
IV. Related Vulnerabilities
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Same weakness: CWE-20
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V. Comments for CVE-2020-3160
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