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CVE-2021-1372— Cisco Webex Meetings Desktop App and Webex Productivity Tools for Windows Shared Memory Information Disclosure Vulnerability

Quick assessment

Affected
Cisco Cisco Webex Productivity Tools
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 Desktop App是美国思科（Cisco）公司的一款使用在桌面环境上的视频会议控制应用程序。 Cisco Webex Meetings Desktop App 和 Webex Productivity Tools中存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。

CVSS 5.5 · Medium EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-1372

Vulnerability Information
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Vulnerability Title
Cisco Webex Meetings Desktop App and Webex Productivity Tools for Windows Shared Memory Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Cisco Webex Meetings Desktop App and Webex Productivity Tools for Windows could allow an authenticated, local attacker to gain access to sensitive information on an affected system. This vulnerability is due to the unsafe usage of shared memory by the affected software. An attacker with permissions to view system memory could exploit this vulnerability by running an application on the local system that is designed to read shared memory. A successful exploit could allow the attacker to retrieve sensitive information from the shared memory, including usernames, meeting information, or authentication tokens. Note: To exploit this vulnerability, an attacker must have valid credentials on a Microsoft Windows end-user system and must log in after another user has already authenticated with Webex on the same end-user system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过数据查询的敏感数据暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Webex Meetings Desktop App 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Webex Meetings Desktop App是美国思科（Cisco）公司的一款使用在桌面环境上的视频会议控制应用程序。 Cisco Webex Meetings Desktop App 和 Webex Productivity Tools中存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
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 Productivity Tools n/a -

II. Public POCs for CVE-2021-1372

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III. Intelligence Information for CVE-2021-1372

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Vendor Advisories for CVE-2021-1372 (1)

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-2021-1351 6.1 MEDIUM Cisco Webex Meetings Cross-Site Scripting Vulnerability
CVE-2021-1378 5.3 MEDIUM Cisco StarOS Denial of Service Vulnerability

IV. Related Vulnerabilities

Same vendor: Cisco
Same weakness: CWE-202

V. Comments for CVE-2021-1372

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