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CVE-2020-3147— Cisco Small Business Switches Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Small Business 300 Series Managed Switches
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.

使用1.3.7.18之前版本固件的Cisco Small Business Switches中的Web UI存在输入验证错误漏洞，该漏洞源于程序没有正确验证请求。远程攻击者可通过发送恶意的请求利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 2.28% · P83

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-3147

Vulnerability Information
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Vulnerability Title
Cisco Small Business Switches Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web UI of Cisco Small Business Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of requests sent to the web interface. An attacker could exploit this vulnerability by sending a malicious request to the web interface of an affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a DoS condition. This vulnerability affects firmware releases prior than 1.3.7.18
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Small Business Switches 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
使用1.3.7.18之前版本固件的Cisco Small Business Switches中的Web UI存在输入验证错误漏洞，该漏洞源于程序没有正确验证请求。远程攻击者可通过发送恶意的请求利用该漏洞造成拒绝服务。
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 300 Series Managed Switches unspecified ~ 1.3.7.18 -

II. Public POCs for CVE-2020-3147

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III. Intelligence Information for CVE-2020-3147

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Vendor Advisories for CVE-2020-3147 (1)

IV. Related Vulnerabilities

Same product: Cisco Small Business 300 Series Managed Switches
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2020-3147

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