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CVE-2019-1609— Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1609)

Quick assessment

Affected
Cisco MDS 9000 Series Multilayer Switches
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Nexus 9500 R-Series Line Cards and Fabric Modules等都是美国思科（Cisco）公司的产品。Cisco Nexus 9500 R-Series Line Cards and Fabric Modules是一款9500R系列线卡模块。Cisco Nexus 7000 Series Switches是一款7000系列交换机。Cisco Nexus 7700 Series Switches是一款7700系列交换机。Cisco NX-OS Software

AI Predicted 7.8 Difficulty: Easy EPSS 0.86% · P58

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
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I. Basic Information for CVE-2019-1609

Vulnerability Information
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Vulnerability Title
Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1609)
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability. MDS 9000 Series Multilayer Switches are affected in versions prior to 6.2(27), 8.1(1b), and 8.3(2). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(6). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I4(9) and 7.0(3)I7(6). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 7000 and 7700 Series Switches are affected in versions prior to 6.2(22), 7.3(3)D1(1), 8.2(3), and 8.3(2). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I4(9) and7.0(3)I7(6). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).
Source: CVE Program / CVE List V5
CVSS Information
N/A
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 NX-OS Software 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Nexus 9500 R-Series Line Cards and Fabric Modules等都是美国思科（Cisco）公司的产品。Cisco Nexus 9500 R-Series Line Cards and Fabric Modules是一款9500R系列线卡模块。Cisco Nexus 7000 Series Switches是一款7000系列交换机。Cisco Nexus 7700 Series Switches是一款7700系列交换机。Cisco NX-OS Software
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 MDS 9000 Series Multilayer Switches unspecified ~ 6.2(27) -
Cisco Nexus 3500 Platform Switches unspecified ~ 7.0(3)I7(6) -
Cisco Nexus 3000 Series Switches unspecified ~ 7.0(3)I4(9) -
Cisco Nexus 3600 Platform Switches unspecified ~ 7.0(3)F3(5) -
Cisco Nexus 7000 and 7700 Series Switches unspecified ~ 6.2(22) -
Cisco Nexus 9000 Series Switches in Standalone NX-OS Mode unspecified ~ 7.0(3)I4(9) -
Cisco Nexus 9500 R-Series Line Cards and Fabric Modules unspecified ~ 7.0(3)F3(5) -

II. Public POCs for CVE-2019-1609

# POC Description Source Link Shenlong Link
1 Statis analysis of the RTCore64 associated with Micro-Star MSI Afterburner version 4.6.2.15658 + SDK + POC https://github.com/1X14720f130x/CVE-2019-1609 POC Details
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III. Intelligence Information for CVE-2019-1609

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Vendor Advisories for CVE-2019-1609 (2)

Same Patch Batch · Cisco · 2019-03-08 · 9 CVEs total

CVE-2019-1605 Cisco NX-OS Software NX-API Arbitrary Code Execution Vulnerability
CVE-2019-1606 Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1606)
CVE-2019-1607 Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1607)
CVE-2019-1608 Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1608)
CVE-2019-1602 Cisco NX-OS Software Privilege Escalation Vulnerability
CVE-2019-1603 Cisco NX-OS Software Privilege Escalation Vulnerability
CVE-2019-1604 Cisco NX-OS Software Privilege Escalation Vulnerability
CVE-2019-1601 Cisco NX-OS Software Unauthorized Filesystem Access Vulnerability

IV. Related Vulnerabilities

Same product: MDS 9000 Series Multilayer Switches
Same vendor: Cisco
Same weakness: CWE-77

V. Comments for CVE-2019-1609

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