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CVE-2021-1432— Cisco IOS XE SD-WAN Software Arbitrary Command Execution Vulnerability

Quick assessment

Affected
Cisco Cisco IOS XE 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 Software 存在安全漏洞，该漏洞源于对用户提供的输入验证不足造。攻击者可利用该漏洞以root用户的身份在底层操作系统上执行任意命令。

CVSS 7.3 · High EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-1432

Vulnerability Information
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Vulnerability Title
Cisco IOS XE SD-WAN Software Arbitrary Command Execution 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 on the underlying operating system as the root user. The attacker must be authenticated on the affected device as a low-privileged user to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by injecting arbitrary commands to a file as a lower-privileged user. The commands are then executed on the device by the root user. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XE SD-WAN Software 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 Software 存在安全漏洞，该漏洞源于对用户提供的输入验证不足造。攻击者可利用该漏洞以root用户的身份在底层操作系统上执行任意命令。
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 IOS XE Software n/a -

II. Public POCs for CVE-2021-1432

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III. Intelligence Information for CVE-2021-1432

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Vendor Advisories for CVE-2021-1432 (1)

Same Patch Batch · Cisco · 2021-03-24 · 45 CVEs total

CVE-2021-1418 9.9 CRITICAL Cisco Jabber Desktop and Mobile Client Software Vulnerabilities
CVE-2021-1417 9.9 CRITICAL Cisco Jabber Desktop and Mobile Client Software Vulnerabilities
CVE-2021-1411 9.9 CRITICAL Cisco Jabber Desktop and Mobile Client Software Vulnerabilities
CVE-2021-1471 9.9 CRITICAL Cisco Jabber Desktop and Mobile Client Software Vulnerabilities
CVE-2021-1469 9.9 CRITICAL Cisco Jabber Desktop and Mobile Client Software Vulnerabilities
CVE-2021-1373 8.6 HIGH Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Se
CVE-2021-1446 8.6 HIGH Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnera
CVE-2021-1451 8.1 HIGH Cisco IOS XE Software Easy Virtual Switching System Arbitrary Code Execution Vulnerability
CVE-2021-1433 8.1 HIGH Cisco IOS XE SD-WAN Software vDaemon Buffer Overflow Vulnerability
CVE-2021-1392 7.8 HIGH Cisco IOS and IOS XE Software Common Industrial Protocol Privilege Escalation Vulnerabili
CVE-2021-1437 7.5 HIGH Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability
CVE-2021-1431 7.5 HIGH Cisco IOS XE SD-WAN Software vDaemon Denial of Service Vulnerability
CVE-2021-1439 7.4 HIGH Cisco Aironet Access Points FlexConnect Multicast DNS Denial of Service Vulnerability
CVE-2021-1403 7.4 HIGH Cisco IOS XE Software Web UI Cross-Site WebSocket Hijacking Vulnerability
CVE-2021-1352 7.4 HIGH Cisco IOS XE Software DECnet Phase IV/OSI Denial of Service Vulnerability
CVE-2021-1453 6.8 MEDIUM Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability
CVE-2021-1398 6.8 MEDIUM Cisco IOS XE Software Arbitrary Code Execution Vulnerability
CVE-2021-1452 6.8 MEDIUM Cisco IOS XE ROM Monitor Software for Cisco Industrial Switches OS Command Injection Vulne
CVE-2021-1449 6.7 MEDIUM Cisco Access Point Software Arbitrary Code Execution Vulnerability
CVE-2021-1441 6.7 MEDIUM Cisco IOS XE Software Hardware Initialization Routines Arbitrary Code Execution Vulnerabil

Showing top 20 of 45 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco IOS XE Software
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2021-1432

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