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CVE-2020-3166— Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability

Quick assessment

Affected
Cisco Cisco Firepower Extensible Operating System (FXOS)
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 FXOS Software是美国思科（Cisco）公司的一套运行在思科安全设备中的防火墙软件。 Cisco FXOS Software中的CLI存在输入验证错误漏洞，该漏洞源于程序没有进行充分输入验证。本地攻击者可借助特制的参数利用该漏洞读取或在底层操作系统上编写任意文件。以下产品及版本受到影响：Cisco Firepower 1000 Series；Firepower 2100 Series；Firepower 4100 Series；Firepower 9300 Security Appl

AI Predicted 7.8 Difficulty: Moderate EPSS 0.29% · P19
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I. Basic Information for CVE-2020-3166

Vulnerability Information
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Vulnerability Title
Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco FXOS Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco FXOS Software是美国思科（Cisco）公司的一套运行在思科安全设备中的防火墙软件。 Cisco FXOS Software中的CLI存在输入验证错误漏洞，该漏洞源于程序没有进行充分输入验证。本地攻击者可借助特制的参数利用该漏洞读取或在底层操作系统上编写任意文件。以下产品及版本受到影响：Cisco Firepower 1000 Series；Firepower 2100 Series；Firepower 4100 Series；Firepower 9300 Security Appl
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 Firepower Extensible Operating System (FXOS) unspecified ~ n/a -

II. Public POCs for CVE-2020-3166

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III. Intelligence Information for CVE-2020-3166

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Vendor Advisories for CVE-2020-3166 (1)

Same Patch Batch · Cisco · 2020-02-26 · 11 CVEs total

CVE-2020-3165 Cisco NX-OS Software Border Gateway Protocol MD5 Authentication Bypass Vulnerability
CVE-2020-3175 Cisco MDS 9000 Series Multilayer Switches Denial of Service Vulnerability
CVE-2020-3174 Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability
CVE-2020-3173 Cisco UCS Manager Software Local Management CLI Command Injection Vulnerability
CVE-2020-3172 Cisco FXOS and NX-OS Software Cisco Discovery Protocol Arbitrary Code Execution and Denial
CVE-2020-3171 Cisco FXOS and UCS Manager Software Local Management CLI Command Injection Vulnerability
CVE-2020-3170 Cisco NX-OS Software NX-API Denial of Service Vulnerability
CVE-2020-3169 Cisco FXOS Software CLI Command Injection Vulnerability
CVE-2020-3168 Cisco Nexus 1000V Switch for VMware vSphere Secure Login Enhancements Denial of Service Vu
CVE-2020-3167 Cisco FXOS and UCS Manager Software CLI Command Injection Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Firepower Extensible Operating System (FXOS)
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2020-3166

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