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CVE-2021-1476— Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Command Injection Vulnerability

Quick assessment

Affected
Cisco Cisco Adaptive Security Appliance (ASA) 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 Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Adaptive Security Appliance 和 Cisco Firepower Threat Defense 存在操作系统命令注入漏洞，该漏洞源于由于用户提供的命令输入验证不足。攻击者可利用该漏洞在底层操作系统上执行命令。

CVSS 6.7 · Medium EPSS 0.48% · P39
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I. Basic Information for CVE-2021-1476

Vulnerability Information
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Vulnerability Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Command Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system (OS) of an affected device. The vulnerability is due to insufficient input validation of commands that are supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input for specific commands. A successful exploit could allow the attacker to execute commands on the underlying OS with root privileges. To exploit this vulnerability, an attacker must have valid administrator-level credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/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
Ciscoxa0Adaptive Security Appliance 和 Ciscoxa0Firepower Threat Defense 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Adaptive Security Appliance 和 Cisco Firepower Threat Defense 存在操作系统命令注入漏洞，该漏洞源于由于用户提供的命令输入验证不足。攻击者可利用该漏洞在底层操作系统上执行命令。
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 Adaptive Security Appliance (ASA) Software n/a -

II. Public POCs for CVE-2021-1476

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III. Intelligence Information for CVE-2021-1476

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Vendor Advisories for CVE-2021-1476 (1)

Same Patch Batch · Cisco · 2021-04-29 · 17 CVEs total

CVE-2021-1445 8.6 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi
CVE-2021-1501 8.6 HIGH Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP
CVE-2021-1504 8.6 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi
CVE-2021-1493 8.5 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi
CVE-2021-1488 6.7 MEDIUM Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firep
CVE-2021-1256 6.0 MEDIUM Cisco Firepower Threat Defense Software Command File Overwrite Vulnerability
CVE-2021-1495 5.8 MEDIUM Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
CVE-2021-1369 5.4 MEDIUM Cisco Firepower Device Manager On-Box Software XML External Entity Vulnerability
CVE-2021-1456 4.8 MEDIUM Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
CVE-2021-1457 4.8 MEDIUM Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
CVE-2021-1458 4.8 MEDIUM Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
CVE-2021-1477 4.3 MEDIUM Cisco Firepower Management Center Software Policy Vulnerability
CVE-2021-1402 Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerabil
CVE-2021-1448 Cisco Firepower Threat Defense Software Command Injection Vulnerability
CVE-2021-1455 Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
CVE-2021-1489 Cisco Firepower Device Manager Software Filesystem Space Exhaustion Denial of Service Vuln

IV. Related Vulnerabilities

Same product: Cisco Adaptive Security Appliance (ASA) Software
Same vendor: Cisco
Same weakness: CWE-78

V. Comments for CVE-2021-1476

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