CVE-2022-20675— Multiple Cisco Security Products Simple Network Management Protocol Service Denial of Service 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 Email Security Appliance（ESA）等都是美国思科（Cisco）公司的产品。Cisco Email Security Appliance是一个电子邮件安全设备。Cisco Web Security Appliance（WSA）是一款Web安全设备。Cisco Secure Email是 Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), 和 Cisco Secure Email
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-20675
Vulnerability Information
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Vulnerability Title
Multiple Cisco Security Products Simple Network Management Protocol Service Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the TCP/IP stack of Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), and Cisco Secure Email and Web Manager, formerly Security Management Appliance, could allow an unauthenticated, remote attacker to crash the Simple Network Management Protocol (SNMP) service, resulting in a denial of service (DoS) condition. This vulnerability is due to an open port listener on TCP port 199. An attacker could exploit this vulnerability by connecting to TCP port 199. A successful exploit could allow the attacker to crash the SNMP service, resulting in a DoS condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
多款 Cisco 产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Email Security Appliance（ESA）等都是美国思科（Cisco）公司的产品。Cisco Email Security Appliance是一个电子邮件安全设备。Cisco Web Security Appliance（WSA）是一款Web安全设备。Cisco Secure Email是 Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), 和 Cisco Secure Email
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-2022-20675
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-20675 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-SNMP-JLAJksWK 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-2022-20781 | 5.4 MEDIUM | Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability |
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V. Comments for CVE-2022-20675
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