Vulnerability-Lookup

CNVD-2025-31482

Vulnerability from cnvd - Published: 2025-12-29

Title

DELL Wyse ThinOS输入验证错误漏洞

Description

DELL Wyse ThinOS是一款专为瘦客户端设备设计的轻量级操作系统，专注于提供安全、高效的虚拟桌面访问体验。 DELL Wyse ThinOS存在输入验证错误漏洞，攻击者可利用该漏洞更改设备配置或证书文件。

Severity

中

Patch Name

DELL Wyse ThinOS输入验证错误漏洞的补丁

Patch Description

DELL Wyse ThinOS是一款专为瘦客户端设备设计的轻量级操作系统，专注于提供安全、高效的虚拟桌面访问体验。 DELL Wyse ThinOS存在输入验证错误漏洞，攻击者可利用该漏洞更改设备配置或证书文件。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://www.dell.com/support/kbdoc/en-us/000184665/dsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-vulnerabilitydsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21532

Impacted products

Name
DELL Wyse ThinOS 8.6

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21532",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21532"
    }
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-31482",
  "openTime": "2025-12-29",
  "patchDescription": "DELL Wyse ThinOS\u662f\u4e00\u6b3e\u4e13\u4e3a\u7626\u5ba2\u6237\u7aef\u8bbe\u5907\u8bbe\u8ba1\u7684\u8f7b\u91cf\u7ea7\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e13\u6ce8\u4e8e\u63d0\u4f9b\u5b89\u5168\u3001\u9ad8\u6548\u7684\u865a\u62df\u684c\u9762\u8bbf\u95ee\u4f53\u9a8c\u3002\r\n\r\nDELL Wyse ThinOS\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66f4\u6539\u8bbe\u5907\u914d\u7f6e\u6216\u8bc1\u4e66\u6587\u4ef6\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "DELL Wyse ThinOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "DELL Wyse ThinOS 8.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21532",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-21",
  "title": "DELL Wyse ThinOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-21532 (GCVE-0-2021-21532)

Vulnerability from cvelistv5 – Published: 2021-04-02 21:20 – Updated: 2024-09-16 17:28

Summary

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.

Severity ?

5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-16 - Configuration

Assigner

dell

References

URL

Tags

https://www.dell.com/support/kbdoc/en-us/00018466…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	Wyse Proprietary OS (ThinOS)	Affected: unspecified , < ThinOS 8.6 MR9 (custom)

Show details on NVD website

JSON

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            ],
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          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "Wyse Proprietary OS (ThinOS)",
          "vendor": "Dell",
          "versions": [
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              "lessThan": "ThinOS 8.6 MR9",
              "status": "affected",
              "version": "unspecified",
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      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
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      ],
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2025-31482

CVE-2021-21532 (GCVE-0-2021-21532)

Tags

Sightings

Nomenclature