CVE-2020-3535— Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability
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I. Basic Information for CVE-2020-3535
Vulnerability Information
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Vulnerability Title
Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the loading mechanism of specific DLLs in the Cisco Webex Teams client for Windows could allow an authenticated, local attacker to load a malicious library. To exploit this vulnerability, the attacker needs valid credentials on the Windows system. The vulnerability is due to incorrect handling of directory paths at run time. An attacker could exploit this vulnerability by placing a malicious DLL file in a specific location on the targeted system. This file will execute when the vulnerable application launches. A successful exploit could allow the attacker to execute arbitrary code on the targeted system with the privileges of another user’s account.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对搜索路径元素未加控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Webex Teams 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Webex Teams是美国思科（Cisco）公司的一款团队协作应用程序。该程序包括视频会议、消息群发和文件共享功能。 Cisco Webex Teams 中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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 Teams | n/a | - |
II. Public POCs for CVE-2020-3535
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-teams-dll-drsnH5ANvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2020-3535
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-2020-3598 | 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-2020-3596 | 5.9 MEDIUM | Cisco Expressway Series and TelePresence Video Communication Server Denial of Service Vuln |
| 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 |
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Same vendor: Cisco
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Same weakness: CWE-427
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V. Comments for CVE-2020-3535
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