VDE-2022-011

Vulnerability from csaf_mbconnectlinegmbh - Published: 2022-09-07 12:50 - Updated: 2022-09-07 12:50
Summary
MB connect line: Unauthenticated user enumeration in mbCONNECT24 and mymbCONNECT24
Notes
Summary: An issue was discovered in the mymbCONNECT24 and mbCONNECT24 software in all versions through V2.11.2.
Impact: A remote, unauthenticated attacker can enumerate valid users with a timing attack against the webserver.
Remediation: Update to Version 2.12.1
CVE-2022-22520
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-204 - Observable Response Discrepancy
Vendor Fix Update to Version 2.12.1
Affected products
Product Identifier Version Remediation
Unresolved product id: CSAFPID-31001 —
Unresolved product id: CSAFPID-31002 —
Product Identifier Version Remediation
Unresolved product id: CSAFPID-32001 —
Unresolved product id: CSAFPID-32002 —
References
Acknowledgments
CERTVDE certvde.com
SySS GmBH www.syss.de
Helmholz www.helmholz.de
To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERTVDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      },
      {
        "organization": "SySS GmBH",
        "summary": "reporting",
        "urls": [
          "https://www.syss.de"
        ]
      },
      {
        "organization": "Helmholz",
        "summary": "reporting",
        "urls": [
          "https://www.helmholz.de"
        ]
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "category": "summary",
        "text": "An issue was discovered in the mymbCONNECT24 and mbCONNECT24 software in all versions through V2.11.2.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "A remote, unauthenticated attacker can enumerate valid users with a timing attack against the webserver.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Update to Version 2.12.1",
        "title": "Remediation"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "security-team@mbconnectline.de",
      "name": "MB connect line GmbH",
      "namespace": "https://mbconnectline.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "VDE-2022-011: MB connect line: Unauthenticated user enumeration in mbCONNECT24 and mymbCONNECT24 - HTML",
        "url": "https://certvde.com/de/advisories/VDE-2022-011/"
      },
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for ",
        "url": "https://certvde.com/en/advisories/vendor/mbconnectline/"
      },
      {
        "category": "self",
        "summary": "VDE-2022-011: MB connect line: Unauthenticated user enumeration in mbCONNECT24 and mymbCONNECT24 - CSAF",
        "url": "https://mbconnectline.csaf-tp.certvde.com/.well-known/csaf/white/2022/vde-2022-011.json"
      }
    ],
    "title": "MB connect line: Unauthenticated user enumeration in mbCONNECT24 and mymbCONNECT24",
    "tracking": {
      "aliases": [
        "VDE-2022-011"
      ],
      "current_release_date": "2022-09-07T12:50:00.000Z",
      "generator": {
        "date": "2025-03-21T11:47:01.298Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.21"
        }
      },
      "id": "VDE-2022-011",
      "initial_release_date": "2022-09-07T12:50:00.000Z",
      "revision_history": [
        {
          "date": "2022-09-07T12:50:00.000Z",
          "number": "1",
          "summary": "initial revision"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "mbCONNECT24",
                "product": {
                  "name": "mbCONNECT24",
                  "product_id": "CSAFPID-11001"
                }
              },
              {
                "category": "product_name",
                "name": "mymbCONNECT24",
                "product": {
                  "name": "mymbCONNECT24",
                  "product_id": "CSAFPID-11002"
                }
              }
            ],
            "category": "product_family",
            "name": "Hardware"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=2.11.2",
                "product": {
                  "name": "Firmware \u003c=2.11.2",
                  "product_id": "CSAFPID-21001"
                }
              },
              {
                "category": "product_version",
                "name": "2.12.1",
                "product": {
                  "name": "Firmware 2.12.1",
                  "product_id": "CSAFPID-22001"
                }
              }
            ],
            "category": "product_family",
            "name": "Firmware"
          }
        ],
        "category": "vendor",
        "name": "MB connect line GmbH"
      }
    ],
    "product_groups": [
      {
        "group_id": "CSAFGID-0001",
        "product_ids": [
          "CSAFPID-31001",
          "CSAFPID-31002"
        ],
        "summary": "affected products"
      },
      {
        "group_id": "CSAFGID-0002",
        "product_ids": [
          "CSAFPID-32001",
          "CSAFPID-32002"
        ],
        "summary": "fixed products"
      }
    ],
    "relationships": [
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c=2.11.2 installed on mbCONNECT24",
          "product_id": "CSAFPID-31001"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11001"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 2.12.1 installed on mbCONNECT24",
          "product_id": "CSAFPID-32001"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11001"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c=2.11.2 installed on mymbCONNECT24",
          "product_id": "CSAFPID-31002"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11002"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 2.12.1 installed on mymbCONNECT24",
          "product_id": "CSAFPID-32002"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11002"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-22520",
      "cwe": {
        "id": "CWE-204",
        "name": "Observable Response Discrepancy"
      },
      "notes": [
        {
          "category": "summary",
          "text": "A remote, unauthenticated attacker can enumerate valid users by sending specific requests to the webservice of MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2."
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-32001",
          "CSAFPID-32002"
        ],
        "known_affected": [
          "CSAFPID-31001",
          "CSAFPID-31002"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to Version 2.12.1",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "environmentalScore": 5.3,
            "environmentalSeverity": "MEDIUM",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 5.3,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-31001",
            "CSAFPID-31002"
          ]
        }
      ],
      "title": "CVE-2022-22520"
    }
  ]
}



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