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CVE-2021-21541

Quick assessment

Affected
Dell Integrated Dell Remote Access Controller (iDRAC)
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 iDRAC9是美国戴尔（DELL）公司的一套包含硬件和软件的系统管理解决方案。该方案为Dell PowerEdge系统提供远程管理、崩溃系统恢复和电源控制等功能。 Dell EMC iDRAC9 4.40.00.00 之前版本存在跨站脚本漏洞，远程未经身份验证的攻击者可利用该漏洞欺骗受害应用程序用户向浏览器中的DOM环境提供恶意的HTML或JavaScript代码。然后，恶意代码被web浏览器在脆弱的web应用程序的上下文中执行。

CVSS 6.1 · Medium EPSS 0.81% · P54

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-21541

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a DOM-based cross-site scripting vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or JavaScript code to DOM environment in the browser. The malicious code is then executed by the web browser in the context of the vulnerable web application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Dell EMC iDRAC9 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL Dell EMC iDRAC9是美国戴尔（DELL）公司的一套包含硬件和软件的系统管理解决方案。该方案为Dell PowerEdge系统提供远程管理、崩溃系统恢复和电源控制等功能。 Dell EMC iDRAC9 4.40.00.00 之前版本存在跨站脚本漏洞，远程未经身份验证的攻击者可利用该漏洞欺骗受害应用程序用户向浏览器中的DOM环境提供恶意的HTML或JavaScript代码。然后，恶意代码被web浏览器在脆弱的web应用程序的上下文中执行。
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 Integrated Dell Remote Access Controller (iDRAC) unspecified ~ 4.40.00.00 -

II. Public POCs for CVE-2021-21541

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III. Intelligence Information for CVE-2021-21541

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Other References for CVE-2021-21541 (1)

Same Patch Batch · Dell · 2021-04-30 · 14 CVEs total

CVE-2021-21507 8.8 HIGH Dell EMC Networking X-Series 加密问题漏洞
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-2021-21540 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

Same product: Integrated Dell Remote Access Controller (iDRAC)
Same vendor: Dell
Same weakness: CWE-79

V. Comments for CVE-2021-21541

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