CVE-2022-20703— Cisco Small Business RV Series Routers Vulnerabilities
Quick assessment
Affected
Cisco Cisco Small Business RV Series Router Firmware
Exploitation
Confirmed exploitation in the wild; remediate immediately
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 系列路由器存在信任管理问题漏洞，该漏洞源于安装在受影响设备上的软件映像验证不当所致。攻击者可以通过在设备上加载未签名的软件来利用此漏洞。成功的利用可能允许攻击者安装和启动恶意软件映像或在设备上执行未签名的二进制文件。
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-20703
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 信任管理问题漏洞
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 系列路由器存在信任管理问题漏洞，该漏洞源于安装在受影响设备上的软件映像验证不当所致。攻击者可以通过在设备上加载未签名的软件来利用此漏洞。成功的利用可能允许攻击者安装和启动恶意软件映像或在设备上执行未签名的二进制文件。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Small Business RV Series Router Firmware | n/a | - |
|
II. Public POCs for CVE-2022-20703
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-20703 (3)
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https://www.zerodayinitiative.com/advisories/ZDI-22-413/ x_refsource_MISC
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https://www.zerodayinitiative.com/advisories/ZDI-22-408/ x_refsource_MISC
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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-2022-20706 | 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-2022-20711 | 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-2022-20705 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20704 | 10.0 CRITICAL | Cisco Small Business RV Series Routers Vulnerabilities |
| CVE-2022-20702 | 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
-
CVE-2020-3431
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Cisco Small Business RV042, RV042G, RV320, and RV325 Denial -
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CVE-2024-20522
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CVE-2024-20521
Cisco Small Business RV042, RV042G, RV320, and RV325 Remote
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V. Comments for CVE-2022-20703
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