CVE-2021-1542— Cisco Small Business 220 Series Smart Switches Vulnerabilities
Quick assessment
Affected
Cisco Cisco Small Business 220 Series Smart Plus 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.
Cisco Small Business 220 Series Smart Switches是美国思科（Cisco）公司的一款小型智能交换机设备。 Cisco Small Business 220 系列智能交换机基于 Web 的管理界面存在授权问题漏洞，该漏洞可能允许未经认证的远程攻击者绕过认证保护，获得对该接口的未经授权访问。攻击者可利用该漏洞可以获得被劫持的会话帐户的特权。
Possible ATT&CK Techniques 3 AI
T1187 · Forced Authentication T1068 · Exploitation for Privilege Escalation T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-1542
Vulnerability Information
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Vulnerability Title
Cisco Small Business 220 Series Smart Switches Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary commands as a root user on the underlying operating system Conduct a cross-site scripting (XSS) attack Conduct an HTML injection attack 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:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Small Business 220 Series Smart Switches 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Small Business 220 Series Smart Switches是美国思科（Cisco）公司的一款小型智能交换机设备。 Cisco Small Business 220 系列智能交换机基于 Web 的管理界面存在授权问题漏洞，该漏洞可能允许未经认证的远程攻击者绕过认证保护，获得对该接口的未经授权访问。攻击者可利用该漏洞可以获得被劫持的会话帐户的特权。
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 220 Series Smart Plus Switches | n/a | - |
|
II. Public POCs for CVE-2021-1542
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-1542 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2021-06-16 · 11 CVEs total
| CVE-2021-1566 | 7.4 HIGH | Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vul |
| CVE-2021-1543 | 7.2 HIGH | Cisco Small Business 220 Series Smart Switches Vulnerabilities |
| CVE-2021-1571 | 7.2 HIGH | Cisco Small Business 220 Series Smart Switches Vulnerabilities |
| CVE-2021-1541 | 7.2 HIGH | Cisco Small Business 220 Series Smart Switches Vulnerabilities |
| CVE-2021-1567 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL |
| CVE-2021-1569 | 6.5 MEDIUM | Cisco Jabber Desktop and Mobile Client Software Vulnerabilities |
| CVE-2021-1570 | 6.5 MEDIUM | Cisco Jabber Desktop and Mobile Client Software Vulnerabilities |
| CVE-2021-1568 | 5.5 MEDIUM | Cisco AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability |
| CVE-2021-1395 | 4.7 MEDIUM | Cisco Unified Intelligence Center Reflected Cross-Site Scripting Vulnerability |
| CVE-2021-1524 | 4.3 MEDIUM | Cisco Meeting Server API Denial of Service Vulnerability |
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V. Comments for CVE-2021-1542
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