CVE-2022-20884— Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerabilities
Quick assessment
Affected
Cisco Cisco Small Business RV Series Router Firmware
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 Small Business是美国思科（Cisco）公司的一个交换机。 Cisco Small Business RV110W、RV130、RV130W、RV215W Routers存在操作系统命令注入漏洞，该漏洞源于传入 HTTP 数据包中的用户字段验证不足。攻击者利用该漏洞通过特制请求执行任意代码或导致设备意外重启，从而导致拒绝服务 (DoS)。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-20884
Vulnerability Information
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Vulnerability Title
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device or cause the device to restart unexpectedly, resulting in a denial of service (DoS) condition. These vulnerabilities are due to insufficient validation of user fields within incoming HTTP packets. An attacker could exploit these vulnerabilities by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on an affected device with root-level privileges or to cause the device to restart unexpectedly, resulting in a DoS condition. To exploit these vulnerabilities, an attacker would need to have valid Administrator credentials on the affected device. Cisco has not released software updates that address these vulnerabilities.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Small Business 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Small Business是美国思科（Cisco）公司的一个交换机。 Cisco Small Business RV110W、RV130、RV130W、RV215W Routers存在操作系统命令注入漏洞，该漏洞源于传入 HTTP 数据包中的用户字段验证不足。攻击者利用该漏洞通过特制请求执行任意代码或导致设备意外重启，从而导致拒绝服务 (DoS)。
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 Small Business RV Series Router Firmware | n/a | - |
|
II. Public POCs for CVE-2022-20884
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-20884 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-rce-overflow-ygHByAK vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2022-07-21 · 45 CVEs total
| CVE-2022-20857 | 9.8 CRITICAL | Cisco Nexus Dashboard Unauthorized Access Vulnerabilities |
| CVE-2022-20858 | 9.8 CRITICAL | Cisco Nexus Dashboard Unauthorized Access Vulnerabilities |
| CVE-2022-20861 | 9.8 CRITICAL | Cisco Nexus Dashboard Unauthorized Access Vulnerabilities |
| CVE-2022-20860 | 7.4 HIGH | Cisco Nexus Dashboard SSL Certificate Validation Vulnerability |
| CVE-2022-20916 | 6.1 MEDIUM | Cisco IoT Control Center Cross-Site Scripting Vulnerability |
| CVE-2022-20906 | 6.0 MEDIUM | Cisco Nexus Dashboard Privilege Escalation Vulnerabilities |
| CVE-2022-20909 | 6.0 MEDIUM | Cisco Nexus Dashboard Privilege Escalation Vulnerabilities |
| CVE-2022-20907 | 6.0 MEDIUM | Cisco Nexus Dashboard Privilege Escalation Vulnerabilities |
| CVE-2022-20908 | 6.0 MEDIUM | Cisco Nexus Dashboard Privilege Escalation Vulnerabilities |
| CVE-2022-20913 | 4.9 MEDIUM | Cisco Nexus Dashboard Arbitrary File Write Vulnerability |
| CVE-2022-20912 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20876 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20875 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20902 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20901 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20900 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20899 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20898 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20897 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
| CVE-2022-20903 | 4.7 MEDIUM | Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution an |
Showing top 20 of 45 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2022-20884
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