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CVE-2021-1351— Cisco Webex Meetings Cross-Site Scripting 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是美国思科（Cisco）公司的一套视频会议解决方案。 Cisco Webex Meetings中存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

CVSS 6.1 · Medium EPSS 0.81% · P55
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I. Basic Information for CVE-2021-1351

Vulnerability Information
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Vulnerability Title
Cisco Webex Meetings Cross-Site Scripting Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based interface of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface of the affected service. The vulnerability is due to insufficient validation of user-supplied input by the web-based interface of the affected service. An attacker could exploit this vulnerability by persuading a user of the interface to click a maliciously crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
思科 Cisco Webex Meetings 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Webex Meetings是美国思科（Cisco）公司的一套视频会议解决方案。 Cisco Webex Meetings中存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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 n/a -

II. Public POCs for CVE-2021-1351

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III. Intelligence Information for CVE-2021-1351

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Same Patch Batch · Cisco · 2021-02-17 · 6 CVEs total

CVE-2021-1366 7.8 HIGH Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL
CVE-2021-1412 6.5 MEDIUM Cisco Identity Services Engine Sensitive Information Disclosure Vulnerabilities
CVE-2021-1416 6.5 MEDIUM Cisco Identity Services Engine Sensitive Information Disclosure Vulnerabilities
CVE-2021-1372 5.5 MEDIUM Cisco Webex Meetings Desktop App and Webex Productivity Tools for Windows Shared Memory In
CVE-2021-1378 5.3 MEDIUM Cisco StarOS Denial of Service Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Webex Meetings
Same vendor: Cisco
Same weakness: CWE-80

V. Comments for CVE-2021-1351

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