CVE-2022-20711— Cisco Small Business RV Series Routers Vulnerabilities
Quick assessment
Affected
Cisco Cisco Small Business RV Series Router Firmware
Exploitation
High exploitation probability; assess promptly
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 RV 系列路由器存在缓冲区错误漏洞，该漏洞源于对 Web UI 的特定组件的输入验证不足。攻击者可以通过向受影响的设备发送精心设计的 HTTP 请求来利用此漏洞。成功的利用可能允许攻击者通过篡改 Web UI 进程提供的文件来覆盖现有文件或泄露机密数据。
Possible ATT&CK Techniques 3 AI
T1068 · Exploitation for Privilege Escalation T1078 · Valid Accounts T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-20711
Vulnerability Information
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Vulnerability Title
Cisco Small Business RV Series Routers Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Small Business 缓冲区错误漏洞
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 RV 系列路由器存在缓冲区错误漏洞，该漏洞源于对 Web UI 的特定组件的输入验证不足。攻击者可以通过向受影响的设备发送精心设计的 HTTP 请求来利用此漏洞。成功的利用可能允许攻击者通过篡改 Web UI 进程提供的文件来覆盖现有文件或泄露机密数据。
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-2022-20711
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-20711 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2022-02-10 · 18 CVEs total
| CVE-2022-20705 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20749 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20712 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20710 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20709 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20708 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20707 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20706 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20704 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20703 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20702 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20701 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20700 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20699 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20738 | 5.8 MEDIUM | Cisco Umbrella Secure Web Gateway File Inspection Bypass Vulnerability |
| CVE-2022-20630 | 4.4 MEDIUM | Cisco DNA Center Information Disclosure Vulnerability |
| CVE-2022-20680 | 4.3 MEDIUM | Cisco Prime Service Catalog Information Disclosure Vulnerability |
IV. Related Vulnerabilities
Same product: Cisco Small Business RV Series Router Firmware
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CVE-2024-20521
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V. Comments for CVE-2022-20711
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