{
  "document": {
    "title": "SSA-756744: OS Command Injection Vulnerability in SINEC NMS",
    "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-756744",
      "status": "final",
      "version": "2",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-08-10T00:00:00Z",
          "summary": "Publication Date"
        },
        {
          "number": "2",
          "legacy_version": "1.1",
          "date": "2021-09-14T00:00:00Z",
          "summary": "Updated acknowledgements"
        }
      ],
      "initial_release_date": "2021-08-10T00:00:00Z",
      "current_release_date": "2021-09-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "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": "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-756744.pdf",
        "summary": "SSA-756744: OS Command Injection Vulnerability in SINEC NMS - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-756744.txt",
        "summary": "SSA-756744: OS Command Injection Vulnerability in SINEC NMS - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-756744.json",
        "summary": "SSA-756744: OS Command Injection Vulnerability in SINEC NMS - CSAF Version"
      }
    ],
    "acknowledgments": [
      {
        "names": [
          "Noam Moshe"
        ],
        "organization": "Claroty",
        "summary": "coordinated disclosure"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SINEC NMS",
            "category": "product_name",
            "branches": [
              {
                "name": "< V1.0 SP2",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SINEC NMS"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-33721",
      "notes": [
        {
          "title": "Summary",
          "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."
        }
      ],
      "cve": "CVE-2021-33721",
      "cwe": {
        "id": "CWE-78",
        "name": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
      },
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "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"
          },
          "products": [
            "1"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Update to V1.0 SP2 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109797645/"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109797645/",
          "summary": "CVE-2021-33721 - SINEC NMS"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-33721.json",
          "summary": "CVE-2021-33721 Mitre 5.0 json"
        }
      ]
    }
  ]
}