CNVD-2021-94896

Vulnerability from cnvd - Published: 2021-12-07
VLAI
Title
Dell powerflex presentation server数据伪造问题漏洞
Description
DELL Dell EMC PowerFlex是美国戴尔(DELL)公司的一个应用软件。提供极高的灵活性和可扩展性,以及企业级性能和弹性,同时简化基础设施的管理和操作。 Dell powerflex presentation server数据伪造问题漏洞,该漏洞源于产品的 websocket 中的 Presentation Server/WebUI 未对用户身份做有效验证,攻击者可通过该漏洞劫持Websocket欺骗用户执行不必要的操作,并可能导致配置文件更改。
Severity
Patch Name
Dell powerflex presentation server数据伪造问题漏洞的补丁
Patch Description
DELL Dell EMC PowerFlex是美国戴尔(DELL)公司的一个应用软件。提供极高的灵活性和可扩展性,以及企业级性能和弹性,同时简化基础设施的管理和操作。 Dell powerflex presentation server数据伪造问题漏洞,该漏洞源于产品的 websocket 中的 Presentation Server/WebUI 未对用户身份做有效验证,攻击者可通过该漏洞劫持Websocket欺骗用户执行不必要的操作,并可能导致配置文件更改。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补丁以修复漏洞,补丁获取链接: https://www.dell.com/support/kbdoc/000189265

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-21588
Impacted products
Name
Dell powerflex presentation server >=3.5,<3.6
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21588",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21588"
    }
  },
  "description": "DELL Dell EMC PowerFlex\u662f\u7f8e\u56fd\u6234\u5c14\uff08DELL\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9b\u6781\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u4ee5\u53ca\u4f01\u4e1a\u7ea7\u6027\u80fd\u548c\u5f39\u6027\uff0c\u540c\u65f6\u7b80\u5316\u57fa\u7840\u8bbe\u65bd\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u3002\n\nDell powerflex presentation server\u6570\u636e\u4f2a\u9020\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684 websocket \u4e2d\u7684 Presentation Server/WebUI \u672a\u5bf9\u7528\u6237\u8eab\u4efd\u505a\u6709\u6548\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u52ab\u6301Websocket\u6b3a\u9a97\u7528\u6237\u6267\u884c\u4e0d\u5fc5\u8981\u7684\u64cd\u4f5c\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u914d\u7f6e\u6587\u4ef6\u66f4\u6539\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/000189265",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-94896",
  "openTime": "2021-12-07",
  "patchDescription": "DELL Dell EMC PowerFlex\u662f\u7f8e\u56fd\u6234\u5c14\uff08DELL\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9b\u6781\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u4ee5\u53ca\u4f01\u4e1a\u7ea7\u6027\u80fd\u548c\u5f39\u6027\uff0c\u540c\u65f6\u7b80\u5316\u57fa\u7840\u8bbe\u65bd\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u3002\r\n\r\nDell powerflex presentation server\u6570\u636e\u4f2a\u9020\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684 websocket \u4e2d\u7684 Presentation Server/WebUI \u672a\u5bf9\u7528\u6237\u8eab\u4efd\u505a\u6709\u6548\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u52ab\u6301Websocket\u6b3a\u9a97\u7528\u6237\u6267\u884c\u4e0d\u5fc5\u8981\u7684\u64cd\u4f5c\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u914d\u7f6e\u6587\u4ef6\u66f4\u6539\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 powerflex presentation server\u6570\u636e\u4f2a\u9020\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell powerflex presentation server \u003e=3.5\uff0c\u003c3.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21588",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-14",
  "title": "Dell powerflex presentation server\u6570\u636e\u4f2a\u9020\u95ee\u9898\u6f0f\u6d1e"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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