CVE-2021-36321
Quick assessment
Affected
Dell Networking X-Series
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.
Dell Networking X-Series是美国戴尔（Dell）公司的一系列智能网管交换机。 Dell Networking X-Series firmware 存在输入验证错误漏洞，该漏洞源于远程未经身份验证的攻击者可能会通过发送特制数据来触发拒绝服务来利用此漏洞。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-36321
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
Dell Networking X-Series 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Networking X-Series是美国戴尔（Dell）公司的一系列智能网管交换机。 Dell Networking X-Series firmware 存在输入验证错误漏洞，该漏洞源于远程未经身份验证的攻击者可能会通过发送特制数据来触发拒绝服务来利用此漏洞。
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 |
|---|---|---|---|---|
| Dell | Networking X-Series | unspecified ~ 3.0.1.9 | - |
|
II. Public POCs for CVE-2021-36321
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-36321
请登录查看更多情报信息。
Other References for CVE-2021-36321 (1)
Same Patch Batch · Dell · 2021-11-20 · 9 CVEs total
| CVE-2021-36307 | 8.8 HIGH | Dell Networking OS10 安全漏洞 |
| CVE-2021-36306 | 8.1 HIGH | Dell Networking OS10 授权问题漏洞 |
| CVE-2021-36340 | 7.8 HIGH | Dell Emc Secure Connect Gateway 日志信息泄露漏洞 |
| CVE-2021-36320 | 7.5 HIGH | Dell Networking X-Series 安全特征问题漏洞 |
| CVE-2021-36322 | 6.1 MEDIUM | Dell Networking X-Series 注入漏洞 |
| CVE-2021-36308 | 5.9 MEDIUM | Dell Networking OS10 授权问题漏洞 |
| CVE-2021-36310 | 4.9 MEDIUM | DELL Dell Networking OS10 资源管理错误漏洞 |
| CVE-2021-36319 | 3.3 LOW | DELL Dell Networking OS10 信息泄露漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-20
-
CVE-2026-34959
Adminer before 5.5.0 Open Redirect via X-Forwarded-Prefix -
CVE-2026-16434
Adminer before 5.5.1 X-Forwarded-Prefix Backslash Bypass -
CVE-2026-55371
OpenEXR: OpenEXRCore exr_attr_set_bytes() accepts NULL type_ -
CVE-2026-72711
Lean 4 before 4.32.2 Kernel Accepts Opaque Declaration With -
CVE-2026-76816
Netty: MQTT Topic Name and Client ID Validation Bypass
V. Comments for CVE-2021-36321
No comments yet