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CVE-2021-1550— Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities

Quick assessment

Affected
Cisco Cisco Business Wireless Access Point Software
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 多款产品存在命令注入漏洞，该漏洞源于对用户提供的验证不正确造成的。攻击者可利用该漏洞对受影响的设备的攻击执行命令注入。以下产品及版本受到影响：Cisco Small Business 100, 300, and 500 Series Wireless。

CVSS 4.7 · Medium EPSS 1.66% · P74
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I. Basic Information for CVE-2021-1550

Vulnerability Information
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Vulnerability Title
Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in the web-based management interface of certain Cisco Small Business 100, 300, and 500 Series Wireless Access Points could allow an authenticated, remote attacker to perform command injection attacks against an affected device. These vulnerabilities are due to improper validation of user-supplied input. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the device. To exploit these vulnerabilities, the attacker must have valid administrative credentials for the device.
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
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco 多款产品命令注入漏洞
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 多款产品存在命令注入漏洞，该漏洞源于对用户提供的验证不正确造成的。攻击者可利用该漏洞对受影响的设备的攻击执行命令注入。以下产品及版本受到影响：Cisco Small Business 100, 300, and 500 Series Wireless。
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 Business Wireless Access Point Software n/a -

II. Public POCs for CVE-2021-1550

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III. Intelligence Information for CVE-2021-1550

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Vendor Advisories for CVE-2021-1550 (1)

Same Patch Batch · Cisco · 2021-05-22 · 18 CVEs total

CVE-2021-1487 8.8 HIGH Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Command Injectio
CVE-2021-1531 8.8 HIGH Cisco Modeling Labs Web UI Command Injection Vulnerability
CVE-2021-1559 6.5 MEDIUM Cisco DNA Spaces Connector Command Injection Vulnerabilities
CVE-2021-1560 6.5 MEDIUM Cisco DNA Spaces Connector Command Injection Vulnerabilities
CVE-2021-1558 6.0 MEDIUM Cisco DNA Spaces Connector Privilege Escalation Vulnerabilities
CVE-2021-1557 6.0 MEDIUM Cisco DNA Spaces Connector Privilege Escalation Vulnerabilities
CVE-2021-1254 4.8 MEDIUM Cisco Finesse Cross-Site Scripting Vulnerabilities
CVE-2021-1549 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1548 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1358 4.7 MEDIUM Cisco Finesse Open Redirect Vulnerability
CVE-2021-1547 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1555 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1554 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1553 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1552 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1551 4.7 MEDIUM Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vul
CVE-2021-1306 4.4 MEDIUM Cisco ADE-OS Local File Inclusion Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Business Wireless Access Point Software
Same vendor: Cisco
Same weakness: CWE-77

V. Comments for CVE-2021-1550

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