{
  "document": {
    "title": "SSA-496292: Remote Code Execution Vulnerability in POWER METER SICAM Q100",
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "publisher": {
      "name": "Siemens ProductCERT",
      "contact_details": "productcert@siemens.com",
      "category": "vendor",
      "namespace": "https://www.siemens.com"
    },
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "tracking": {
      "id": "SSA-496292",
      "status": "final",
      "version": "1",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-12-14T00:00:00Z",
          "summary": "Publication Date"
        }
      ],
      "initial_release_date": "2021-12-14T00:00:00Z",
      "current_release_date": "2021-12-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "POWER METER SICAM Q100 contains a vulnerability that could allow an attacker to remotely execute code.\n\nSiemens has released updates for the affected products and recommends to update to the latest versions."
      },
      {
        "title": "General Recommendations",
        "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' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity"
      },
      {
        "title": "Additional Resources",
        "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": "Terms of Use",
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens' 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' 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."
      }
    ],
    "references": [
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-496292.pdf",
        "summary": "SSA-496292: Remote Code Execution Vulnerability in POWER METER SICAM Q100 - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-496292.txt",
        "summary": "SSA-496292: Remote Code Execution Vulnerability in POWER METER SICAM Q100 - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-496292.json",
        "summary": "SSA-496292: Remote Code Execution Vulnerability in POWER METER SICAM Q100 - CSAF Version"
      }
    ],
    "acknowledgments": [
      {
        "names": [
          "Michael Messner"
        ],
        "organization": "Siemens Energy",
        "summary": "reporting the vulnerability"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "POWER METER SICAM Q100",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.41",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "POWER METER SICAM Q100 (7KG9501-0AA01-0AA1)",
                  "product_identification_helper": {
                    "model_numbers": [
                      "7KG9501-0AA01-0AA1"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "POWER METER SICAM Q100",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.41",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "POWER METER SICAM Q100 (7KG9501-0AA01-2AA1)",
                  "product_identification_helper": {
                    "model_numbers": [
                      "7KG9501-0AA01-2AA1"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "POWER METER SICAM Q100",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.41",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "POWER METER SICAM Q100 (7KG9501-0AA31-0AA1)",
                  "product_identification_helper": {
                    "model_numbers": [
                      "7KG9501-0AA31-0AA1"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "POWER METER SICAM Q100",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.41",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "POWER METER SICAM Q100 (7KG9501-0AA31-2AA1)",
                  "product_identification_helper": {
                    "model_numbers": [
                      "7KG9501-0AA31-2AA1"
                    ]
                  }
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-44165",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "The affected firmware contains a buffer overflow vulnerability in the web application that could allow a remote attacker with engineer or admin priviliges to potentially perform remote code execution."
        }
      ],
      "cve": "CVE-2021-44165",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ],
          "category": "vendor_fix",
          "details": "Update to V2.41 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109743524"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ],
          "category": "mitigation",
          "details": "Restrict access to the web server e.g. with a firewall and ensure that the privileged accounts are protected by strong passwords."
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109743524",
          "summary": "CVE-2021-44165 - POWER METER SICAM Q100"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109743524",
          "summary": "CVE-2021-44165 - POWER METER SICAM Q100"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109743524",
          "summary": "CVE-2021-44165 - POWER METER SICAM Q100"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109743524",
          "summary": "CVE-2021-44165 - POWER METER SICAM Q100"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-44165.json",
          "summary": "CVE-2021-44165 Mitre 5.0 json"
        }
      ]
    }
  ]
}