CVE-2022-20713
Quick assessment
Affected
Cisco Cisco Adaptive Security Appliance (ASA) Software
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco ASA是美国思科（Cisco）公司的一系列应用于企业安全的防火墙。 Cisco Adaptive Security Appliance (ASA) Software存在跨站脚本漏洞，该漏洞源于对传递给无客户端 SSL VPN 组件的输入验证不正确。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application T1189 · Drive-by Compromise
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I. Basic Information for CVE-2022-20713
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the VPN web client services component of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks against users of an affected device. This vulnerability is due to improper validation of input that is passed to the VPN web client services component before being returned to the browser that is in use. An attacker could exploit this vulnerability by persuading a user to visit a website that is designed to pass malicious requests to a device that is running Cisco ASA Software or Cisco FTD Software and has web services endpoints supporting VPN features enabled. A successful exploit could allow the attacker to reflect malicious input from the affected device to the browser that is in use and conduct browser-based attacks, including cross-site scripting attacks. The attacker could not directly impact the affected device.
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
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Adaptive Security Appliances Software 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ASA是美国思科（Cisco）公司的一系列应用于企业安全的防火墙。 Cisco Adaptive Security Appliance (ASA) Software存在跨站脚本漏洞，该漏洞源于对传递给无客户端 SSL VPN 组件的输入验证不正确。
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 Adaptive Security Appliance (ASA) Software | 9.8.1 | - |
|
| Cisco | Cisco Firepower Threat Defense Software | 6.2.3 | - |
|
II. Public POCs for CVE-2022-20713
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/s1d6point7bugcrowd/CVE-2022-20713-Vulnerability-Detection-Script | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2022-20713 (1)
Same Patch Batch · Cisco · 2022-08-10 · 11 CVEs total
| CVE-2022-20827 | 9.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20842 | 9.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20841 | 9.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20792 | 7.8 HIGH | ClamAV AntiVirus 缓冲区错误漏洞 |
| CVE-2022-20866 | 7.4 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software RSA Priva |
| CVE-2022-20816 | 6.5 MEDIUM | Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability |
| CVE-2022-20869 | 6.1 MEDIUM | Cisco BroadWorks Application Delivery Platform Software Cross-Site Scripting Vulnerability |
| CVE-2022-20820 | 5.4 MEDIUM | Cisco Webex Meetings Web Interface Vulnerabilities |
| CVE-2022-20852 | 5.4 MEDIUM | Cisco Webex Meetings Web Interface Vulnerabilities |
| CVE-2022-20914 | 4.9 MEDIUM | Cisco Identity Services Engine Sensitive Information Disclosure Vulnerability |
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V. Comments for CVE-2022-20713
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