{
  "document": {
    "title": "SSA-199605: Arbitrary File Download Vulnerability in SIMATIC eaSie PCS 7 Skill Package",
    "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-199605",
      "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": "SIMATIC eaSie PCS 7 Skill Package contains a path traversal vulnerability that could allow an authenticated remote attacker to read arbitrary files for the application server.\n\nSiemens has released an update for the SIMATIC eaSie PCS 7 Skill Package and recommends to update to the latest version."
      },
      {
        "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-199605.pdf",
        "summary": "SSA-199605: Arbitrary File Download Vulnerability in SIMATIC eaSie PCS 7 Skill Package - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-199605.txt",
        "summary": "SSA-199605: Arbitrary File Download Vulnerability in SIMATIC eaSie PCS 7 Skill Package - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-199605.json",
        "summary": "SSA-199605: Arbitrary File Download Vulnerability in SIMATIC eaSie PCS 7 Skill Package - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SIMATIC eaSie PCS 7 Skill Package",
            "category": "product_name",
            "branches": [
              {
                "name": "< V21.00 SP3",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SIMATIC eaSie PCS 7 Skill Package (6DL5424-0BX00-0AV8)",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6DL5424-0BX00-0AV8"
                    ]
                  }
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-42022",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default."
        }
      ],
      "cve": "CVE-2021-42022",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
      },
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C"
          },
          "products": [
            "1"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Update to V21.00 SP3 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109795919"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109795919",
          "summary": "CVE-2021-42022 - SIMATIC eaSie PCS 7 Skill Package"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-42022.json",
          "summary": "CVE-2021-42022 Mitre 5.0 json"
        }
      ]
    }
  ]
}