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CVE-2021-36285

Quick assessment

Affected
Dell CPG BIOS
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 BIOSConnect是美国戴尔（DELL）公司的一个基础平台，使 BIOS 可连接到 Dell 的 HTTP 后端，并通过 HTTP 方法加载映像。 Dell BIOS 存在安全漏洞，该漏洞源于认证机制没有暴力防护。本地管理员可以绕过过多的NVMe密码尝试缓解，并执行暴力攻击。

CVSS 5.7 · Medium EPSS 0.23% · P14
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I. Basic Information for CVE-2021-36285

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive NVMe password attempt mitigations in order to carry out a brute force attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Dell BIOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL Dell BIOSConnect是美国戴尔（DELL）公司的一个基础平台，使 BIOS 可连接到 Dell 的 HTTP 后端，并通过 HTTP 方法加载映像。 Dell BIOS 存在安全漏洞，该漏洞源于认证机制没有暴力防护。本地管理员可以绕过过多的NVMe密码尝试缓解，并执行暴力攻击。
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 CPG BIOS unspecified ~ 1.7.0 -

II. Public POCs for CVE-2021-36285

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III. Intelligence Information for CVE-2021-36285

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Other References for CVE-2021-36285 (1)

Same Patch Batch · Dell · 2021-09-28 · 8 CVEs total

CVE-2021-21522 8.2 HIGH Dell BIOS 信任管理问题漏洞
CVE-2021-36297 7.8 HIGH SupportAssist Client 代码问题漏洞
CVE-2021-36283 7.5 HIGH Dell BIOS 输入验证错误漏洞
CVE-2021-36286 7.1 HIGH Dell SupportAssist Client 后置链接漏洞
CVE-2021-21570 6.8 MEDIUM Dell NetWorker 操作系统命令注入漏洞
CVE-2021-21569 6.8 MEDIUM Dell NetWorker 路径遍历漏洞
CVE-2021-36284 5.7 MEDIUM Dell BIOS 安全漏洞

IV. Related Vulnerabilities

Same product: CPG BIOS
Same vendor: Dell
Same weakness: CWE-307

V. Comments for CVE-2021-36285

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