CVE-2020-3218— Cisco IOS XE Software Web UI Remote Code Execution Vulnerability
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I. Basic Information for CVE-2020-3218
Vulnerability Information
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Vulnerability Title
Cisco IOS XE Software Web UI Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to execute arbitrary code with root privileges on the underlying Linux shell. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by first creating a malicious file on the affected device itself and then uploading a second malicious file to the device. A successful exploit could allow the attacker to execute arbitrary code with root privileges or bypass licensing requirements on the device.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XE Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XE Software中的Web UI存在输入验证错误漏洞，该漏洞源于程序未正确验证用户输入。攻击者可通过在受影响的设备上创建恶意文件，然后将另一个恶意文件上传到设备利用该漏洞以root权限执行任意代码，或绕过设备上的许可要求。
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 16.6.1 | n/a | - |
II. Public POCs for CVE-2020-3218
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-rce-uk8BXcUDvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2020-3218
Same Patch Batch · Cisco · 2020-06-03 · 50 CVEs total
| CVE-2020-3353 | 5.9 MEDIUM | Cisco Identity Services Engine Denial of Service Vulnerability |
| CVE-2020-3319 | 3.3 LOW | Cisco Webex Network Recording Player and Cisco Webex Player Denial of Service Vulnerabilit |
| CVE-2020-3322 | 3.3 LOW | Cisco Webex Network Recording Player and Cisco Webex Player Denial of Service Vulnerabilit |
| CVE-2020-3321 | 3.3 LOW | Cisco Webex Network Recording Player and Cisco Webex Player Denial of Service Vulnerabilit |
| CVE-2020-3333 | Cisco Application Services Engine Software Unauthenticated Event Policies Update Vulnerabi | |
| CVE-2020-3257 | Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabil | |
| CVE-2020-3267 | Cisco Unified Contact Center Express Improper API Authorization Vulnerability | |
| CVE-2020-3258 | Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities | |
| CVE-2020-3281 | Cisco Digital Network Architecture Center Information Disclosure Vulnerability | |
| CVE-2020-3232 | Cisco ASR 920 Series Aggregation Services Router Model 12SZ-IM SNMP Denial of Service Vuln | |
| CVE-2020-3200 | Cisco IOS and IOS XE Software Secure Shell Denial of Service Vulnerability | |
| CVE-2020-3199 | Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabil | |
| CVE-2020-3198 | Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities | |
| CVE-2020-3228 | Cisco IOS, IOS XE, and NX-OS Software Security Group Tag Exchange Protocol Denial of Servi | |
| CVE-2020-3231 | Cisco IOS Software for Catalyst 2960-L Series Switches and Catalyst CDB-8P Switches 802.1X | |
| CVE-2020-3230 | Cisco IOS and IOS XE Software Internet Key Exchange Version 2 Denial of Service Vulnerabil | |
| CVE-2020-3229 | Cisco IOS XE Software Web UI Privilege Escalation Vulnerability | |
| CVE-2020-3227 | Cisco IOx for IOS XE Software Privilege Escalation Vulnerability | |
| CVE-2020-3225 | Cisco IOS and IOS XE Software Common Industrial Protocol Denial of Service Vulnerabilities | |
| CVE-2020-3233 | Cisco IOx Application Framework Local Manager Stored Cross-Site Scripting Vulnerability |
Showing top 20 of 50 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-2020-3218
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