CVE-2021-21544
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I. Basic Information for CVE-2021-21544
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端安全的客户端实施
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.dell.com/support/kbdoc/000185293x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-21544
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 weakness: CWE-602
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Data Space Portal: Incorrect Authorization and Client-Side E - CVE-2026-39415
Frappe Learning Management System has Client-Side Manipulati - CVE-2026-25737
Budibase Arbitrary File Upload Leading to Multiple Critical - CVE-2026-30783
RustDesk Client Can Orphan API Channel to Ignore All Admin C - CVE-2026-23859
Dell Wyse Management Suite WMS 安全漏洞
V. Comments for CVE-2021-21544
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