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CVE-2020-3142— Cisco Webex Meetings Suite and Cisco Webex Meetings Online Unauthenticated Meeting Join Vulnerability

Quick assessment

Affected
Cisco Cisco Webex Meetings
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 Webex Meetings Suite是美国思科（Cisco）公司的一套多功能视频会议解决方案。 Cisco Webex Meetings Suite sites和Online sites 39.11.5之前版本和40.1.3之前版本中存在访问控制错误漏洞。远程攻击者可利用该漏洞在不提供会议密码的情况下加入受密码保护的会议。

AI Predicted 9.8 Difficulty: Easy EPSS 1.49% · P73

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2020-3142

Vulnerability Information
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Vulnerability Title
Cisco Webex Meetings Suite and Cisco Webex Meetings Online Unauthenticated Meeting Join Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Cisco Webex Meetings Suite sites and Cisco Webex Meetings Online sites could allow an unauthenticated, remote attendee to join a password-protected meeting without providing the meeting password. The connection attempt must initiate from a Webex mobile application for either iOS or Android. The vulnerability is due to unintended meeting information exposure in a specific meeting join flow for mobile applications. An unauthorized attendee could exploit this vulnerability by accessing a known meeting ID or meeting URL from the mobile device’s web browser. The browser will then request to launch the device’s Webex mobile application. A successful exploit could allow the unauthorized attendee to join the password-protected meeting. The unauthorized attendee will be visible in the attendee list of the meeting as a mobile attendee. Cisco has applied updates that address this vulnerability and no user action is required. This vulnerability affects Cisco Webex Meetings Suite sites and Cisco Webex Meetings Online sites releases earlier than 39.11.5 and 40.1.3.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Webex Meetings Suite sites和Online sites 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Webex Meetings Suite是美国思科（Cisco）公司的一套多功能视频会议解决方案。 Cisco Webex Meetings Suite sites和Online sites 39.11.5之前版本和40.1.3之前版本中存在访问控制错误漏洞。远程攻击者可利用该漏洞在不提供会议密码的情况下加入受密码保护的会议。
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 Webex Meetings earlier than 39.11.5 -

II. Public POCs for CVE-2020-3142

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III. Intelligence Information for CVE-2020-3142

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Vendor Advisories for CVE-2020-3142 (1)

Same Patch Batch · Cisco · 2020-01-26 · 24 CVEs total

CVE-2020-3121 Cisco Small Business Smart and Managed Switches Cross-Site Scripting Vulnerability
CVE-2019-12629 Cisco SD-WAN vManage Command Injection Vulnerability
CVE-2019-12619 Cisco SD-WAN Solution SQL Injection Vulnerability
CVE-2020-3136 Cisco Jabber Guest Cross-Site Scripting Vulnerability
CVE-2020-3139 Cisco Application Policy Infrastructure Controller Out Of Band Management IP Tables Bypass
CVE-2019-15989 Cisco IOS XR Software Border Gateway Protocol Attribute Denial of Service Vulnerability
CVE-2019-16018 Cisco IOS XR Software EVPN Operational Routes Denial of Service Vulnerability
CVE-2019-16020 Cisco IOS XR Software BGP EVPN Denial of Service Vulnerabilities
CVE-2019-16022 Cisco IOS XR Software BGP EVPN Denial of Service Vulnerabilities
CVE-2019-16027 Cisco IOS XR Software Intermediate System–to–Intermediate System Denial of Service Vulnera
CVE-2019-16029 Cisco Smart Software Manager On-Prem Web Interface Denial of Service Vulnerability
CVE-2020-3115 Cisco SD-WAN Solution Local Privilege Escalation Vulnerability
CVE-2019-15278 Cisco Finesse Cross-Site Scripting Vulnerability
CVE-2020-3129 Cisco Unity Connection Stored Cross-Site Scripting Vulnerability
CVE-2020-3131 Cisco Webex Teams Adaptive Cards Denial of Service Vulnerability
CVE-2020-3134 Cisco Email Security Appliance Zip Decompression Engine Denial of Service Vulnerability
CVE-2019-16015 Cisco Data Center Analytics Framework Cross-Site Scripting Vulnerability
CVE-2019-15255 Cisco Identity Services Engine Authorization Bypass Vulnerability
CVE-2019-16026 Cisco Mobility Management Entity Denial of Service Vulnerability
CVE-2019-16024 Cisco Crosswork Change Automation Cross-Site Scripting Vulnerability

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Webex Meetings
Same vendor: Cisco
Same weakness: CWE-284

V. Comments for CVE-2020-3142

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