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CVE-2021-21544

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之前版本存在安全漏洞，该漏洞源于存在不适当的身份验证漏洞。具有高特权的远程经过身份验证的恶意用户可能利用这个漏洞操纵评论部分下的用户名字段，并将该值设置为任何用户。

CVSS 2.7 · Low EPSS 0.92% · P57

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-21544

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 an improper authentication vulnerability. A remote authenticated malicious user with high privileges could potentially exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端安全的客户端实施
Source: CVE Program / CVE List V5
Vulnerability Title
Dell EMC iDRAC9 授权问题漏洞
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之前版本存在安全漏洞，该漏洞源于存在不适当的身份验证漏洞。具有高特权的远程经过身份验证的恶意用户可能利用这个漏洞操纵评论部分下的用户名字段，并将该值设置为任何用户。
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-2021-21544

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III. Intelligence Information for CVE-2021-21544

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Other References for CVE-2021-21544 (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-2021-21541 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

IV. Related Vulnerabilities

Same product: Integrated Dell Remote Access Controller (iDRAC)
Same vendor: Dell
Same weakness: CWE-602

V. Comments for CVE-2021-21544

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