CVE-2020-3116— Cisco Webex Centers Denial of Service Vulnerability
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I. Basic Information for CVE-2020-3116
Vulnerability Information
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Vulnerability Title
Cisco Webex Centers Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the way Cisco Webex applications process Universal Communications Format (UCF) files could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of UCF media files. An attacker could exploit this vulnerability by sending a user a malicious UCF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit would cause the application to quit unexpectedly.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款Cisco产品输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Webex Meeting Center等都是美国思科（Cisco）公司的产品。Cisco Webex Meeting Center是一套在线协作视频会议解决方案。Cisco Webex Event Center是一套网络研讨和在线活动管理平台。Cisco Webex Support Center是一套针对服务支持团队的视频会议解决方案。 多款Cisco产品中对UCF文件的处理方法存在输入验证错误漏洞，该漏洞源于程序没有充分验证UCF媒体文件。攻击者可通过链接或邮件附件发送恶意的UCF文件并诱
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 Event Center | n/a | - |
II. Public POCs for CVE-2020-3116
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2020-09-23 · 34 CVEs total
| CVE-2020-3569 | 8.6 HIGH | Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities |
| CVE-2019-16021 | Cisco IOS XR Software BGP EVPN Denial of Service Vulnerabilities | |
| CVE-2019-16019 | Cisco IOS XR Software BGP EVPN Denial of Service Vulnerabilities | |
| CVE-2019-16023 | Cisco IOS XR Software BGP EVPN Denial of Service Vulnerabilities | |
| CVE-2019-16025 | Cisco Emergency Responder Stored Cross-Site Scripting Vulnerability | |
| CVE-2019-16028 | Cisco Firepower Management Center Lightweight Directory Access Protocol Authentication Byp | |
| CVE-2019-1736 | Multiple Cisco UCS-Based Products UEFI Secure Boot Bypass Vulnerability | |
| CVE-2019-1888 | Cisco Unified Contact Center Express Privilege Escalation Vulnerability | |
| CVE-2019-1947 | Cisco Email Security Appliance Denial of Service Vulnerability | |
| CVE-2019-1983 | Cisco Email Security Appliance and Cisco Content Security Management Appliance Denial of S | |
| CVE-2020-3117 | Cisco Web Security Appliance and Cisco Content Security Management Appliance HTTP Header I | |
| CVE-2020-3124 | Cisco Hosted Collaboration Mediation Fulfillment Cross-Site Request Forgery Vulnerability | |
| CVE-2020-3130 | Cisco Unity Connection Directory Traversal Vulnerability | |
| CVE-2020-3133 | Cisco Email Security Appliance Content Filter Bypass Vulnerability | |
| CVE-2020-3135 | Cisco Unified Communications Manager Cross-Site Request Forgery Vulnerability | |
| CVE-2020-3137 | Cisco Email Security Appliance Cross-Site Scripting Vulnerability | |
| CVE-2020-3143 | Cisco TelePresence Collaboration Endpoint, TelePresence Codec, and RoomOS Software Path Tr | |
| CVE-2019-15283 | Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulne | |
| CVE-2019-16017 | Cisco Unified Customer Voice Portal Insecure Direct Object Reference Vulnerability | |
| CVE-2019-16009 | Cisco IOS and Cisco IOS XE Software Web UI Cross-Site Request Forgery Vulnerability |
Showing top 20 of 34 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-20
V. Comments for CVE-2020-3116
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