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CVE-2022-20863— Cisco Webex Meetings App Character Interface Manipulation Vulnerability

Quick assessment

Affected
Cisco Cisco Webex Meetings Desktop App
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是美国思科（Cisco）公司的一个视频会议和协作产品套件。 Cisco Webex App 42.7之前版本存在安全漏洞，该漏洞源于消息传递界面中存在漏洞，允许未经身份验证的远程攻击者操纵消息传递界面中的链接或其他内容。

CVSS 4.3 · Medium EPSS 0.86% · P57
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I. Basic Information for CVE-2022-20863

Vulnerability Information
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Vulnerability Title
Cisco Webex Meetings App Character Interface Manipulation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the messaging interface of Cisco Webex App, formerly Webex Teams, could allow an unauthenticated, remote attacker to manipulate links or other content within the messaging interface. This vulnerability exists because the affected software does not properly handle character rendering. An attacker could exploit this vulnerability by sending messages within the application interface. A successful exploit could allow the attacker to modify the display of links or other content within the interface, potentially allowing the attacker to conduct phishing or spoofing attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
UI输入的多重解释
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Webex 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Webex是美国思科（Cisco）公司的一个视频会议和协作产品套件。 Cisco Webex App 42.7之前版本存在安全漏洞，该漏洞源于消息传递界面中存在漏洞，允许未经身份验证的远程攻击者操纵消息传递界面中的链接或其他内容。
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 Desktop App n/a -

II. Public POCs for CVE-2022-20863

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III. Intelligence Information for CVE-2022-20863

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Vendor Advisories for CVE-2022-20863 (1)

Same Patch Batch · Cisco · 2022-09-08 · 3 CVEs total

CVE-2022-20696 7.5 HIGH Cisco SD-WAN vManage Software Unauthenticated Access to Messaging Services Vulnerability
CVE-2022-20923 4.0 MEDIUM Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers IPSec VPN Server Authentica

IV. Related Vulnerabilities

Same product: Cisco Webex Meetings Desktop App
Same vendor: Cisco
Same weakness: CWE-450

V. Comments for CVE-2022-20863

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