Vulnerability-Lookup

CNVD-2021-94886

Vulnerability from cnvd - Published: 2021-12-07

Title

Dell BIOS信任管理问题漏洞

Description

BIOS是一个首字母缩写，代表Basic Input Output System（基本输入输出系统）。也称为“系统设置”，BIOS 是计算机主板上小型存储器芯片内的嵌入式软件。此芯片称为互补式金属氧化物半导体 (CMOS)。它充当计算机硬件和操作系统之间的接口，允许软件控制硬件。 Dell BIOS 存在信任管理问题漏洞。本地攻击者可利用该漏洞通过管理界面在系统上设置BIOS管理员密码，访问硬盘存储上的敏感信息。

Severity

低

Patch Name

Dell BIOS信任管理问题漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.dell.com/support/kbdoc/zh-cn/printview/000191495/10/en

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21522

Impacted products

Name
Dell BIOS

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21522",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21522"
    }
  },
  "description": "BIOS\u662f\u4e00\u4e2a\u9996\u5b57\u6bcd\u7f29\u5199\uff0c\u4ee3\u8868Basic Input Output System\uff08\u57fa\u672c\u8f93\u5165\u8f93\u51fa\u7cfb\u7edf\uff09\u3002\u4e5f\u79f0\u4e3a\u201c\u7cfb\u7edf\u8bbe\u7f6e\u201d\uff0cBIOS \u662f\u8ba1\u7b97\u673a\u4e3b\u677f\u4e0a\u5c0f\u578b\u5b58\u50a8\u5668\u82af\u7247\u5185\u7684\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u3002\u6b64\u82af\u7247\u79f0\u4e3a\u4e92\u8865\u5f0f\u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53 (CMOS)\u3002\u5b83\u5145\u5f53\u8ba1\u7b97\u673a\u786c\u4ef6\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u63a5\u53e3\uff0c\u5141\u8bb8\u8f6f\u4ef6\u63a7\u5236\u786c\u4ef6\u3002\n\nDell BIOS \u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7ba1\u7406\u754c\u9762\u5728\u7cfb\u7edf\u4e0a\u8bbe\u7f6eBIOS\u7ba1\u7406\u5458\u5bc6\u7801\uff0c\u8bbf\u95ee\u786c\u76d8\u5b58\u50a8\u4e0a\u7684\u654f\u611f\u4fe1\u606f\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.dell.com/support/kbdoc/zh-cn/printview/000191495/10/en",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-94886",
  "openTime": "2021-12-07",
  "patchDescription": "BIOS\u662f\u4e00\u4e2a\u9996\u5b57\u6bcd\u7f29\u5199\uff0c\u4ee3\u8868Basic Input Output System\uff08\u57fa\u672c\u8f93\u5165\u8f93\u51fa\u7cfb\u7edf\uff09\u3002\u4e5f\u79f0\u4e3a\u201c\u7cfb\u7edf\u8bbe\u7f6e\u201d\uff0cBIOS \u662f\u8ba1\u7b97\u673a\u4e3b\u677f\u4e0a\u5c0f\u578b\u5b58\u50a8\u5668\u82af\u7247\u5185\u7684\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u3002\u6b64\u82af\u7247\u79f0\u4e3a\u4e92\u8865\u5f0f\u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53 (CMOS)\u3002\u5b83\u5145\u5f53\u8ba1\u7b97\u673a\u786c\u4ef6\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u63a5\u53e3\uff0c\u5141\u8bb8\u8f6f\u4ef6\u63a7\u5236\u786c\u4ef6\u3002\r\n\r\nDell BIOS \u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7ba1\u7406\u754c\u9762\u5728\u7cfb\u7edf\u4e0a\u8bbe\u7f6eBIOS\u7ba1\u7406\u5458\u5bc6\u7801\uff0c\u8bbf\u95ee\u786c\u76d8\u5b58\u50a8\u4e0a\u7684\u654f\u611f\u4fe1\u606f\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 BIOS\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell BIOS"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21522",
  "serverity": "\u4f4e",
  "submitTime": "2021-09-29",
  "title": "Dell BIOS\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-21522 (GCVE-0-2021-21522)

Vulnerability from cvelistv5 – Published: 2021-09-28 19:20 – Updated: 2024-09-17 03:23

Summary

Dell BIOS contains a Credentials Management issue. A local authenticated malicious user may potentially exploit this vulnerability to gain access to sensitive information on an NVMe storage by resetting the BIOS password on the system via the Manageability Interface.

Severity

8.2 (High)


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

CWE

CWE-255 - Credentials Management

Assigner

dell mitre root Scorecard

References

1 reference

URL	Tags
https://www.dell.com/support/kbdoc/000191495	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	CPG BIOS	Affected: unspecified , < 1.13.0 (custom)

Date Public

2021-09-16 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:16:23.008Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://www.dell.com/support/kbdoc/000191495"
          }
        ],
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      }
    ],
    "cna": {
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          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
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              "lessThan": "1.13.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
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      ],
      "datePublic": "2021-09-16T00:00:00.000Z",
      "descriptions": [
        {
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          "value": "Dell BIOS contains a Credentials Management issue. A local authenticated malicious user may potentially exploit this vulnerability to gain access to sensitive information on an NVMe storage by resetting the BIOS password on the system via the Manageability Interface."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "CWE-255: Credentials Management",
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          ],
          "url": "https://www.dell.com/support/kbdoc/000191495"
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      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "secure@dell.com",
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        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
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                    {
                      "product_name": "CPG BIOS",
                      "version": {
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                            "version_affected": "\u003c",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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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.

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CNVD-2021-94886

CVE-2021-21522 (GCVE-0-2021-21522)

Tags

Sightings

Nomenclature

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