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CVE-2022-20778— 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 存在跨站脚本漏洞，该漏洞源于对用户提供的输入的验证不充分。攻击者可以通过诱使界面用户单击恶意制作的链接在受影响界面的环境中执行任意脚本代码或访问敏感的基于浏览器的信息。

CVSS 6.1 · Medium EPSS 0.82% · P55
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I. Basic Information for CVE-2022-20778

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 authentication component 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. This vulnerability is due to insufficient validation of user-supplied input by the web-based interface of the authentication component of Cisco Webex Meetings. 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
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
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 存在跨站脚本漏洞，该漏洞源于对用户提供的输入的验证不充分。攻击者可以通过诱使界面用户单击恶意制作的链接在受影响界面的环境中执行任意脚本代码或访问敏感的基于浏览器的信息。
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-2022-20778

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III. Intelligence Information for CVE-2022-20778

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Vendor Advisories for CVE-2022-20778 (1)

Same Patch Batch · Cisco · 2022-04-21 · 12 CVEs total

CVE-2022-20732 7.8 HIGH Cisco Virtualized Infrastructure Manager Privilege Escalation Vulnerability
CVE-2022-20783 7.5 HIGH Cisco TelePresence Collaboration Endpoint and RoomOS Software H.323 Denial of Service Vuln
CVE-2022-20773 7.5 HIGH Cisco Umbrella Virtual Appliance Static SSH Host Key Vulnerability
CVE-2022-20790 6.5 MEDIUM Cisco Unified Communications Products Arbitrary File Read Vulnerability
CVE-2022-20788 6.1 MEDIUM Cisco Unified Communications Products Cross-Site Scripting Vulnerability
CVE-2022-20795 5.8 MEDIUM Cisco Adaptive Security Appliance and Cisco Firepower Threat Defense Software AnyConnect S
CVE-2022-20787 5.7 MEDIUM Cisco Unified Communications Products Cross-Site Request Forgery Vulnerability
CVE-2022-20786 5.4 MEDIUM Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerability
CVE-2022-20804 5.3 MEDIUM Cisco Unified Communications Products Denial of Service Vulnerability
CVE-2022-20789 4.9 MEDIUM Cisco Unified Communications Products Arbitrary File Write Vulnerability
CVE-2022-20805 4.1 MEDIUM Cisco Umbrella Secure Web Gateway File Decryption Bypass Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Webex Meetings
Same vendor: Cisco
Same weakness: CWE-79

V. Comments for CVE-2022-20778

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