CVE-2021-1432— Cisco IOS XE SD-WAN Software Arbitrary Command Execution Vulnerability
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3vendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1432
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 vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-20
V. Comments for CVE-2021-1432
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