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CVE-2021-1529— Cisco IOS XE SD-WAN Software Command Injection Vulnerability

Quick assessment

Affected
Cisco Cisco IOS XE SD-WAN 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 IOS XE SD-WAN Software是美国思科（Cisco）公司的一款应用于Cisco IOS XE 网络操作系统的用于网络管理（软件定义网络）的软件。 Cisco IOS XE SD-WAN CLI 存在操作系统命令注入漏洞，该漏洞源于系统CLI的输入验证不足。攻击者可以通过对受影响的设备进行身份验证并将精心设计的输入提交到系统CLI来利用此漏洞。

CVSS 7.8 · High EPSS 0.31% · P21
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I. Basic Information for CVE-2021-1529

Vulnerability Information
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Vulnerability Title
Cisco IOS XE SD-WAN Software Command Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the system CLI. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XE SD-WAN Software 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE SD-WAN Software是美国思科（Cisco）公司的一款应用于Cisco IOS XE 网络操作系统的用于网络管理（软件定义网络）的软件。 Cisco IOS XE SD-WAN CLI 存在操作系统命令注入漏洞，该漏洞源于系统CLI的输入验证不足。攻击者可以通过对受影响的设备进行身份验证并将精心设计的输入提交到系统CLI来利用此漏洞。
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 IOS XE SD-WAN Software n/a -

II. Public POCs for CVE-2021-1529

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III. Intelligence Information for CVE-2021-1529

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Vendor Advisories for CVE-2021-1529 (1)

Same Patch Batch · Cisco · 2021-10-21 · 9 CVEs total

CVE-2021-40121 6.1 MEDIUM Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities
CVE-2021-34738 6.1 MEDIUM Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities
CVE-2021-40122 5.9 MEDIUM Cisco Meeting Server Call Bridge Denial of Service Vulnerability
CVE-2021-34736 5.3 MEDIUM Cisco Integrated Management Controller GUI Denial of Service Vulnerability
CVE-2021-34789 4.8 MEDIUM Cisco Tetration Stored Cross-Site Scripting Vulnerability
CVE-2021-40123 4.3 MEDIUM Cisco Identity Services Engine File Download Vulnerability
CVE-2021-34743 4.3 MEDIUM Cisco Webex Software Application Authorization Bypass Vulnerability
CVE-2021-34760 Cisco TelePresence Management Suite Stored Cross-Site Scripting Vulnerability

IV. Related Vulnerabilities

Same product: Cisco IOS XE SD-WAN Software
Same vendor: Cisco
Same weakness: CWE-78

V. Comments for CVE-2021-1529

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