{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Mendix Runtime contains an observable response discrepancy vulnerability when validating usernames during authentication. This could allow unauthenticated remote attackers to distinguish between valid and invalid usernames.\n\nSiemens has released new versions for the affected products and recommends to update to the latest versions.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: \nhttps://www.siemens.com/industrialsecurity",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens\u0027 Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-097435: Usernames Disclosure Vulnerability in Mendix Runtime - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-097435.html"
      },
      {
        "category": "self",
        "summary": "SSA-097435: Usernames Disclosure Vulnerability in Mendix Runtime - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-097435.json"
      }
    ],
    "title": "SSA-097435: Usernames Disclosure Vulnerability in Mendix Runtime",
    "tracking": {
      "current_release_date": "2024-09-12T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-097435",
      "initial_release_date": "2024-09-10T00:00:00Z",
      "revision_history": [
        {
          "date": "2024-09-10T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2024-09-12T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added fix for Mendix Runtime V8; updated Acknowledgements"
        }
      ],
      "status": "interim",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V8.18.31 only if the basic authentication mechanism is used by the application",
                "product": {
                  "name": "Mendix Runtime V8",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "Mendix Runtime V8"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V9.24.26 only if the basic authentication mechanism is used by the application",
                "product": {
                  "name": "Mendix Runtime V9",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "Mendix Runtime V9"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V10.14.0 only if the basic authentication mechanism is used by the application",
                "product": {
                  "name": "Mendix Runtime V10",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "Mendix Runtime V10"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V10.6.12 only if the basic authentication mechanism is used by the application",
                "product": {
                  "name": "Mendix Runtime V10.6",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "Mendix Runtime V10.6"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V10.12.2 only if the basic authentication mechanism is used by the application",
                "product": {
                  "name": "Mendix Runtime V10.12",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "Mendix Runtime V10.12"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-49069",
      "cwe": {
        "id": "CWE-204",
        "name": "Observable Response Discrepancy"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The authentication mechanism of affected applications contains an observable response discrepancy vulnerability when validating usernames. This could allow unauthenticated remote attackers to distinguish between valid and invalid usernames.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "3",
          "5",
          "4",
          "1",
          "2"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Do not use basic authentication, but setup an alternative authentication module (e.g. SAML, MendixSSO), or your own Identity Provider (IDP)",
          "product_ids": [
            "3",
            "5",
            "4",
            "1",
            "2"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.12.2 or later version",
          "product_ids": [
            "5"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.14.0 or later version",
          "product_ids": [
            "3"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.6.12 or later version",
          "product_ids": [
            "4"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V8.18.31 or later version",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V9.24.26 or later version",
          "product_ids": [
            "2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "3",
            "5",
            "4",
            "1",
            "2"
          ]
        }
      ],
      "title": "CVE-2023-49069"
    }
  ]
}