Vulnerability-Lookup

CNVD-2021-46875

Vulnerability from cnvd - Published: 2021-07-03

Title

McAfee MVISION EDR命令注入漏洞

Description

Mcafee McAfee MVISION EDR是美国迈克菲（Mcafee）公司的一款EDR产品，它收集终端操作日志并通过AI对其进行分析，以检测恶意操作并采取对策。 MVISION EDR存在命令注入漏洞，该漏洞允许经过身份验证的 MVEDR 管理员触发 EDR 客户端使用 EDR 功能“执行反应”通过 PowerShell 执行任意命令。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

McAfee MVISION EDR命令注入漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://kc.mcafee.com/corporate/index?page=content&id=SB10342

Reference

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31838

Impacted products

Name
Mcafee MVISION EDR <3.4.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-31838",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-31838"
    }
  },
  "description": "Mcafee McAfee MVISION EDR\u662f\u7f8e\u56fd\u8fc8\u514b\u83f2\uff08Mcafee\uff09\u516c\u53f8\u7684\u4e00\u6b3eEDR\u4ea7\u54c1\uff0c\u5b83\u6536\u96c6\u7ec8\u7aef\u64cd\u4f5c\u65e5\u5fd7\u5e76\u901a\u8fc7AI\u5bf9\u5176\u8fdb\u884c\u5206\u6790\uff0c\u4ee5\u68c0\u6d4b\u6076\u610f\u64cd\u4f5c\u5e76\u91c7\u53d6\u5bf9\u7b56\u3002\n\nMVISION EDR\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684 MVEDR \u7ba1\u7406\u5458\u89e6\u53d1 EDR \u5ba2\u6237\u7aef\u4f7f\u7528 EDR \u529f\u80fd\u201c\u6267\u884c\u53cd\u5e94\u201d\u901a\u8fc7 PowerShell \u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://kc.mcafee.com/corporate/index?page=content\u0026id=SB10342",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-46875",
  "openTime": "2021-07-03",
  "patchDescription": "Mcafee McAfee MVISION EDR\u662f\u7f8e\u56fd\u8fc8\u514b\u83f2\uff08Mcafee\uff09\u516c\u53f8\u7684\u4e00\u6b3eEDR\u4ea7\u54c1\uff0c\u5b83\u6536\u96c6\u7ec8\u7aef\u64cd\u4f5c\u65e5\u5fd7\u5e76\u901a\u8fc7AI\u5bf9\u5176\u8fdb\u884c\u5206\u6790\uff0c\u4ee5\u68c0\u6d4b\u6076\u610f\u64cd\u4f5c\u5e76\u91c7\u53d6\u5bf9\u7b56\u3002\r\n\r\nMVISION EDR\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684 MVEDR \u7ba1\u7406\u5458\u89e6\u53d1 EDR \u5ba2\u6237\u7aef\u4f7f\u7528 EDR \u529f\u80fd\u201c\u6267\u884c\u53cd\u5e94\u201d\u901a\u8fc7 PowerShell \u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "McAfee MVISION EDR\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mcafee MVISION EDR \u003c3.4.0"
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31838",
  "serverity": "\u9ad8",
  "submitTime": "2021-07-01",
  "title": "McAfee MVISION EDR\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-31838 (GCVE-0-2021-31838)

Vulnerability from cvelistv5 – Published: 2021-06-29 09:45 – Updated: 2024-08-03 23:10

Title

Command injection through environment variable in MVISION EDR

Summary

A command injection vulnerability in MVISION EDR (MVEDR) prior to 3.4.0 allows an authenticated MVEDR administrator to trigger the EDR client to execute arbitrary commands through PowerShell using the EDR functionality 'execute reaction'.

Severity

8.4 (High)


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

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

trellix mitre root

References

1 reference

URL	Tags
https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
McAfee,LLC	MVISION EDR	Affected: unspecified , < 3.4.0 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:10:30.172Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10342"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MVISION EDR",
          "vendor": "McAfee,LLC",
          "versions": [
            {
              "lessThan": "3.4.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA command injection vulnerability in MVISION EDR (MVEDR) prior to 3.4.0 allows an authenticated MVEDR administrator to trigger the EDR client to execute arbitrary commands through PowerShell using the EDR functionality \u0027execute reaction\u0027.\u003c/p\u003e"
            }
          ],
          "value": "A command injection vulnerability in MVISION EDR (MVEDR) prior to 3.4.0 allows an authenticated MVEDR administrator to trigger the EDR client to execute arbitrary commands through PowerShell using the EDR functionality \u0027execute reaction\u0027."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-20T08:39:45.118Z",
        "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
        "shortName": "trellix"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10342"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Command injection through environment variable in MVISION EDR",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@mcafee.com",
          "ID": "CVE-2021-31838",
          "STATE": "PUBLIC",
          "TITLE": "Command injection through environment variable in MVISION EDR"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "MVISION EDR",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.4.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "McAfee,LLC"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A command injection vulnerability in MVISION EDR (MVEDR) prior to 3.4.0 allows an authenticated MVEDR administrator to trigger the EDR client to execute arbitrary commands through PowerShell using the EDR functionality \u0027execute reaction\u0027."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-77 - Command injection"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10342",
              "refsource": "CONFIRM",
              "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10342"
            }
          ]
        },
        "source": {
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
    "assignerShortName": "trellix",
    "cveId": "CVE-2021-31838",
    "datePublished": "2021-06-29T09:45:11.000Z",
    "dateReserved": "2021-04-27T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:10:30.172Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.