{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Noam Moshe"
        ],
        "organization": "Claroty",
        "summary": "coordinated disclosure"
      }
    ],
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "The latest update for SINEC NMS fixes a vulnerability that could allow an authenticated remote attacker to execute arbitrary code on the system, with system privileges, under certain conditions.\n\nSiemens has released an update for SINEC NMS and recommends to update to the latest version.",
        "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: 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": "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-756744: OS Command Injection Vulnerability in SINEC NMS - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-756744.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-756744: OS Command Injection Vulnerability in SINEC NMS - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-756744.txt"
      },
      {
        "category": "self",
        "summary": "SSA-756744: OS Command Injection Vulnerability in SINEC NMS - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-756744.json"
      }
    ],
    "title": "SSA-756744: OS Command Injection Vulnerability in SINEC NMS",
    "tracking": {
      "current_release_date": "2021-09-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-756744",
      "initial_release_date": "2021-08-10T00:00:00Z",
      "revision_history": [
        {
          "date": "2021-08-10T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2021-09-14T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Updated acknowledgements"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V1.0 SP2",
                "product": {
                  "name": "SINEC NMS",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "SINEC NMS"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-33721",
      "cwe": {
        "id": "CWE-78",
        "name": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected application incorrectly neutralizes special elements when creating batch operations which could lead to command injection.\n\nAn authenticated remote attacker with administrative privileges could exploit this vulnerability to execute arbitrary code on the system with system privileges.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-33721 - SINEC NMS",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109797645/"
        },
        {
          "summary": "CVE-2021-33721 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-33721.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V1.0 SP2 or later version",
          "product_ids": [
            "1"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109797645/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2021-33721"
    }
  ]
}