CVE-2022-20781— Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability
Quick assessment
Affected
Cisco Cisco Web Security Appliance (WSA)
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 Web Security Appliance（WSA）和Cisco AsyncOS都是美国思科（Cisco）公司的产品。Cisco Web Security Appliance是一款Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。Cisco AsyncOS是一款应用于思科设备的操作系统。 Cisco Web Security Appliance（WSA）的Cisco AsyncOS Software 存在安全漏洞，该漏洞源于基于web的管理界面无法正确
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2022-20781
Vulnerability Information
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Vulnerability Title
Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected device. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by inserting malicious data into a specific data field in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 Web Security Appliance和Cisco AsyncOS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Web Security Appliance（WSA）和Cisco AsyncOS都是美国思科（Cisco）公司的产品。Cisco Web Security Appliance是一款Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。Cisco AsyncOS是一款应用于思科设备的操作系统。 Cisco Web Security Appliance（WSA）的Cisco AsyncOS Software 存在安全漏洞，该漏洞源于基于web的管理界面无法正确
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 Web Security Appliance (WSA) | n/a | - |
|
II. Public POCs for CVE-2022-20781
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-20781 (1)
-
Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2022-04-06 · 12 CVEs total
| CVE-2022-20755 | 9.0 CRITICAL | Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities |
| CVE-2022-20754 | 9.0 CRITICAL | Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities |
| CVE-2022-20756 | 8.6 HIGH | Cisco Identity Services Engine RADIUS Service Denial of Service Vulnerability |
| CVE-2022-20762 | 7.8 HIGH | Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure Privilege Escalation Vuln |
| CVE-2022-20774 | 6.8 MEDIUM | Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware Cross-Site Request |
| CVE-2022-20782 | 6.5 MEDIUM | Cisco Identity Services Engine Sensitive Information Disclosure Vulnerability |
| CVE-2022-20665 | 6.0 MEDIUM | Cisco StarOS Command Injection Vulnerability |
| CVE-2022-20784 | 5.8 MEDIUM | Cisco Web Security Appliance Filter Bypass Vulnerability |
| CVE-2022-20741 | 5.4 MEDIUM | Cisco Secure Network Analytics Network Diagrams Application Cross-Site Scripting Vulnerabi |
| CVE-2022-20763 | 5.4 MEDIUM | Cisco Webex Meetings Java Deserialization Vulnerability |
| CVE-2022-20675 | 5.3 MEDIUM | Multiple Cisco Security Products Simple Network Management Protocol Service Denial of Serv |
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V. Comments for CVE-2022-20781
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