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CVE-2022-20650— Cisco NX-OS Software NX-API Command Injection Vulnerability

Quick assessment

Affected
Cisco Cisco NX-OS Software
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。 Cisco NX-OS Software 中存在操作系统命令注入漏洞，该漏洞源于产品未对用户发起的HTTP POST请求数据中的内容进行有效验证。攻击者可通过该漏洞执行任意命令。

CVSS 8.8 · High EPSS 14.55% · P96
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I. Basic Information for CVE-2022-20650

Vulnerability Information
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Vulnerability Title
Cisco NX-OS Software NX-API Command Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation of user supplied data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP POST request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the underlying operating system. Note: The NX-API feature is disabled by default.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/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 NX-OS Software 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。 Cisco NX-OS Software 中存在操作系统命令注入漏洞，该漏洞源于产品未对用户发起的HTTP POST请求数据中的内容进行有效验证。攻击者可通过该漏洞执行任意命令。
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 NX-OS Software n/a -

II. Public POCs for CVE-2022-20650

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III. Intelligence Information for CVE-2022-20650

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Vendor Advisories for CVE-2022-20650 (1)

Same Patch Batch · Cisco · 2022-02-23 · 4 CVEs total

CVE-2022-20623 8.6 HIGH Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vuln
CVE-2022-20624 8.6 HIGH Cisco NX-OS Software Cisco Fabric Services Over IP Denial of Service Vulnerability
CVE-2022-20625 4.3 MEDIUM Cisco FXOS and NX-OS Software Cisco Discovery Protocol Service Denial of Service Vulnerabi

IV. Related Vulnerabilities

Same product: Cisco NX-OS Software
Same vendor: Cisco
Same weakness: CWE-78

V. Comments for CVE-2022-20650

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