{
  "document": {
    "title": "SSA-816035: Code Execution Vulnerability in SINEMA Remote Connect Client",
    "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-816035",
      "status": "final",
      "version": "1",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-08-19T00:00:00Z",
          "summary": "Publication Date"
        }
      ],
      "initial_release_date": "2021-08-19T00:00:00Z",
      "current_release_date": "2021-08-19T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "The latest update for SINEMA Remote Connect Client fixes a vulnerability that could allow a local attacker to escalate privileges or even allow remote code execution under certain circumstances.\n\nSiemens has released a firmware update for SINEMA Remote Connect Client and proposes mitigations if an update is not possible."
      },
      {
        "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-816035.pdf",
        "summary": "SSA-816035: Code Execution Vulnerability in SINEMA Remote Connect Client - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-816035.txt",
        "summary": "SSA-816035: Code Execution Vulnerability in SINEMA Remote Connect Client - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-816035.json",
        "summary": "SSA-816035: Code Execution Vulnerability in SINEMA Remote Connect Client - CSAF Version"
      }
    ],
    "acknowledgments": [
      {
        "names": [
          "Amir Preminger"
        ],
        "organization": "Claroty",
        "summary": "coordinated disclosure"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SINEMA Remote Connect Client",
            "category": "product_name",
            "branches": [
              {
                "name": "< V3.0 SP1",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SINEMA Remote Connect Client"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-31338",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Affected devices allow to modify configuration settings over an unauthenticated channel.\n\nThis could allow a local attacker to escalate privileges and execute own code on the device."
        }
      ],
      "cve": "CVE-2021-31338",
      "cwe": {
        "id": "CWE-15",
        "name": "External Control of System or Configuration Setting"
      },
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Update to V3.0 SP1 or later version",
          "url": "https://support.industry.siemens.com/cs/de/en/view/109793790/"
        },
        {
          "product_ids": [
            "1"
          ],
          "category": "mitigation",
          "details": "Do not access links from untrusted sources"
        },
        {
          "product_ids": [
            "1"
          ],
          "category": "mitigation",
          "details": "Restrict access to hosts running SINEMA Remote Connect Client to trusted personnel"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/de/en/view/109793790/",
          "summary": "CVE-2021-31338 - SINEMA Remote Connect Client"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-31338.json",
          "summary": "CVE-2021-31338 Mitre 5.0 json"
        }
      ]
    }
  ]
}