CVE-2021-21507
Quick assessment
Affected
Dell VRTX Switch Modules
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 Dell EMC Networking X-Series是美国戴尔（DELL）公司的一款X系列以太网交换机。 Dell 多款产品存在安全漏洞，远程攻击者可利用该漏洞可能利用这个漏洞，导致某些用户凭据的泄露。以下产品及版本受到影响：Dell EMC Networking X-Series firmware versions prior to 3.0.1.8 and Dell EMC PowerEdge VRTX Switch Module firmware versions prior to 2.
Possible ATT&CK Techniques 3 AI
T1110 · Brute Force T1078 · Valid Accounts T1552.005 · Cloud Instance Metadata API
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I. Basic Information for CVE-2021-21507
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC Networking X-Series firmware versions prior to 3.0.1.8 and Dell EMC PowerEdge VRTX Switch Module firmware versions prior to 2.0.0.82 contain a Weak Password Encryption Vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to the disclosure of certain user credentials. The attacker may be able to use the exposed credentials to access the vulnerable system with privileges of the compromised account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
口令使用弱密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Dell EMC Networking X-Series 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL Dell EMC Networking X-Series是美国戴尔（DELL）公司的一款X系列以太网交换机。 Dell 多款产品存在安全漏洞，远程攻击者可利用该漏洞可能利用这个漏洞，导致某些用户凭据的泄露。以下产品及版本受到影响：Dell EMC Networking X-Series firmware versions prior to 3.0.1.8 and Dell EMC PowerEdge VRTX Switch Module firmware versions prior to 2.
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 | VRTX Switch Modules | unspecified ~ 2.0.0.82 | - |
|
II. Public POCs for CVE-2021-21507
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-21507 (1)
-
https://www.dell.com/support/kbdoc/000185252 x_refsource_MISC
Same Patch Batch · Dell · 2021-04-30 · 14 CVEs total
| CVE-2021-21530 | 8.3 HIGH | Dell OpenManage Enterprise 操作系统命令注入漏洞 |
| CVE-2021-21531 | 8.1 HIGH | Dell EMC Unisphere for PowerMax 安全漏洞 |
| CVE-2021-21535 | 7.4 HIGH | Dell Hybrid Client 访问控制错误漏洞 |
| CVE-2021-21547 | 6.4 MEDIUM | Dell EMC Unity,UnityVSA和Unity XT 安全漏洞 |
| CVE-2021-21536 | 6.2 MEDIUM | Dell Hybrid Client 信息泄露漏洞 |
| CVE-2021-21537 | 6.2 MEDIUM | Dell Hybrid Client 信息泄露漏洞 |
| CVE-2021-21541 | 6.1 MEDIUM | Dell EMC iDRAC9 跨站脚本漏洞 |
| CVE-2021-21540 | 5.9 MEDIUM | Dell EMC iDRAC9 缓冲区错误漏洞 |
| CVE-2021-21539 | 5.9 MEDIUM | Dell EMC iDRAC9 安全漏洞 |
| CVE-2021-21543 | 4.8 MEDIUM | Dell EMC iDRAC9 跨站脚本漏洞 |
| CVE-2021-21542 | 4.8 MEDIUM | Dell EMC iDRAC9 跨站脚本漏洞 |
| CVE-2021-21534 | 4.0 MEDIUM | Dell Hybrid Client 信息泄露漏洞 |
| CVE-2021-21544 | 2.7 LOW | Dell EMC iDRAC9 授权问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21507
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