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CVE-2021-21532

Quick assessment

Affected
Dell Wyse Proprietary OS (ThinOS)
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 Wyse ThinOS是美国戴尔（Dell）公司的一款用于Dell服务器的专用操作系统。 Dell Wyse ThinOS 8.6 MR9 存在输入验证错误漏洞，攻击者可利用该漏洞控制的管理服务器，从而允许攻击者可利用该漏洞更改设备配置或证书文件。

CVSS 5.0 · Medium EPSS 0.22% · P11
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I. Basic Information for CVE-2021-21532

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
配置
Source: CVE Program / CVE List V5
Vulnerability Title
Dell Wyse ThinOS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Wyse ThinOS是美国戴尔（Dell）公司的一款用于Dell服务器的专用操作系统。 Dell Wyse ThinOS 8.6 MR9 存在输入验证错误漏洞，攻击者可利用该漏洞控制的管理服务器，从而允许攻击者可利用该漏洞更改设备配置或证书文件。
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 Wyse Proprietary OS (ThinOS) unspecified ~ ThinOS 8.6 MR9 -

II. Public POCs for CVE-2021-21532

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III. Intelligence Information for CVE-2021-21532

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Other References for CVE-2021-21532 (1)

Same Patch Batch · Dell · 2021-04-02 · 3 CVEs total

CVE-2021-21533 4.3 MEDIUM Wyse Management Suite 输入验证错误漏洞
CVE-2021-21529 3.8 LOW Dell System Update 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: Wyse Proprietary OS (ThinOS)
Same vendor: Dell
Same weakness: CWE-16

V. Comments for CVE-2021-21532

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