CVE-2020-3596— Cisco Expressway Series and TelePresence Video Communication Server Denial of Service Vulnerability
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I. Basic Information for CVE-2020-3596
Vulnerability Information
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Vulnerability Title
Cisco Expressway Series and TelePresence Video Communication Server Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Session Initiation Protocol (SIP) of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect handling of incoming SIP traffic. An attacker could exploit this vulnerability by sending a series of SIP packets to an affected device. A successful exploit could allow the attacker to exhaust memory on an affected device, causing it to crash and leading to a DoS condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的内存分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Expressway Series 和 Cisco TelePresence Video Communication Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Expressway Series和Cisco TelePresence Video Communication Server（VCS）都是美国思科（Cisco）公司的产品。Cisco Expressway Series是一款用于统一通信的高级协作网关。Cisco TelePresence Video Communication Server是一款视频通信服务器。 Cisco Expressway Series和Cisco TelePresence Video Communication Se
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 TelePresence Video Communication Server (VCS) Expressway | n/a | - |
II. Public POCs for CVE-2020-3596
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-vcs-dos-n6xxTMZBvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2020-3596
Same Patch Batch · Cisco · 2020-10-08 · 14 CVEs total
| CVE-2020-3544 | 8.8 HIGH | Cisco Video Surveillance 8000 Series IP Cameras Cisco Discovery Protocol Remote Code Execu |
| CVE-2020-3535 | 7.8 HIGH | Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability |
| CVE-2020-3598 | 6.5 MEDIUM | Cisco Vision Dynamic Signage Director Missing Authentication Vulnerability |
| CVE-2020-3567 | 6.5 MEDIUM | Cisco Industrial Network Director Denial of Service Vulnerability |
| CVE-2020-3543 | 6.5 MEDIUM | Cisco Video Surveillance 8000 Series IP Cameras Cisco Discovery Protocol Memory Leak Vulne |
| CVE-2020-3602 | 6.3 MEDIUM | Cisco StarOS Privilege Escalation Vulnerability |
| CVE-2020-3568 | 5.8 MEDIUM | Cisco Email Security Appliance URL Filtering Bypass Vulnerability |
| CVE-2020-3597 | 5.4 MEDIUM | Cisco Nexus Data Broker Software Path Traversal Vulnerability |
| CVE-2020-3589 | 4.8 MEDIUM | Cisco Identity Services Engine Cross-Site Scripting Vulnerability |
| CVE-2020-3601 | 4.4 MEDIUM | Cisco StarOS Privilege Escalation Vulnerability |
| CVE-2020-3536 | Cisco SD-WAN vManage Cross-Site Scripting Vulnerability | |
| CVE-2020-3467 | Cisco Identity Services Engine Authorization Bypass Vulnerability | |
| CVE-2020-3320 | Cisco Firepower Management Center Cross-Site Scripting Vulnerability |
IV. Related Vulnerabilities
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Cisco Expressway Series Cross-Site Scripting Vulnerability - CVE-2022-20814
Cisco Expressway Series and Cisco TelePresence VCS Improper - CVE-2022-20853
Cisco Expressway Series and Cisco TelePresence VCS Cross-Sit - CVE-2024-20492
Cisco Expressway Series Privilege Escalation Vulnerability - CVE-2024-20497
Cisco Expressway Edge Improper Authorization Vulnerability
Same vendor: Cisco
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V. Comments for CVE-2020-3596
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