{
  "GSD": {
    "alias": "CVE-2021-37198",
    "description": "A vulnerability has been identified in COMOS (All versions \u003c V10.4.1). The COMOS Web component of COMOS uses a flawed implementation of CSRF prevention. An attacker could exploit this vulnerability to perform Cross-Site-Request-Forgery attacks.",
    "id": "GSD-2021-37198"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-37198"
      ],
      "details": "A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions \u003c V10.3.3.3 only if web components are used), COMOS V10.4 (All versions \u003c V10.4.1 only if web components are used). The COMOS Web component of COMOS uses a flawed implementation of CSRF prevention. An attacker could exploit this vulnerability to perform cross-site request forgery attacks.",
      "id": "GSD-2021-37198",
      "modified": "2023-12-13T01:23:09.720037Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "productcert@siemens.com",
        "ID": "CVE-2021-37198",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "COMOS V10.2",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "All versions only if web components are used"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "COMOS V10.3",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "All versions \u003c V10.3.3.3 only if web components are used"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "COMOS V10.4",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "All versions \u003c V10.4.1 only if web components are used"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Siemens"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions \u003c V10.3.3.3 only if web components are used), COMOS V10.4 (All versions \u003c V10.4.1 only if web components are used). The COMOS Web component of COMOS uses a flawed implementation of CSRF prevention. An attacker could exploit this vulnerability to perform cross-site request forgery attacks."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-352: Cross-Site Request Forgery (CSRF)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf",
            "refsource": "MISC",
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "10.2",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "10.3.3.3",
                "versionStartIncluding": "10.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:siemens:comos:10.4:*:*:*:*:*:*:*",
                "cpe_name": [],
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              }
            ],
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          }
        ]
      },
      "cve": {
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          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2021-37198"
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        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions \u003c V10.3.3.3 only if web components are used), COMOS V10.4 (All versions \u003c V10.4.1 only if web components are used). The COMOS Web component of COMOS uses a flawed implementation of CSRF prevention. An attacker could exploit this vulnerability to perform cross-site request forgery attacks."
            }
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        "problemtype": {
          "problemtype_data": [
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                  "lang": "en",
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        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 4.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-04-30T02:22Z",
      "publishedDate": "2022-01-11T12:15Z"
    }
  }
}

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Sandro Poppi"
        ],
        "summary": "reporting these vulnerabilities to Siemens"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://us-cert.cisa.gov/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov",
        "title": "CISA Disclaimer"
      },
      {
        "category": "legal_disclaimer",
        "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.",
        "title": "Legal Notice"
      },
      {
        "category": "summary",
        "text": "Successful exploitation of these vulnerabilities could allow an attacker to conduct code injections, store data in undesired locations, execute arbitrary SQL statements, and run cross-site request forgery attacks.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Multiple Sectors",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "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": "other",
        "text": "No known public exploits specifically target these vulnerabilities.",
        "title": "Exploitability"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SSA-995338: Multiple Vulnerabilities in COMOS Web - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-995338.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-22-013-05 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-013-05.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-22-013-05 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-013-05"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      },
      {
        "category": "external",
        "summary": "SSA-995338: Multiple Vulnerabilities in COMOS Web - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf"
      },
      {
        "category": "external",
        "summary": "SSA-995338: Multiple Vulnerabilities in COMOS Web - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-995338.txt"
      }
    ],
    "title": "Siemens COMOS Web (Update A)",
    "tracking": {
      "current_release_date": "2022-04-14T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-22-013-05",
      "initial_release_date": "2022-01-13T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2022-01-13T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-22-013-05 Siemens COMOS Web"
        },
        {
          "date": "2022-02-10T00:00:00.000000Z",
          "legacy_version": "A",
          "number": "2",
          "summary": "ICSA-22-013-05 Siemens COMOS Web (Update A)"
        },
        {
          "date": "2022-04-14T00:00:00.000000Z",
          "legacy_version": "B",
          "number": "3",
          "summary": "ICSA-22-013-05 Siemens COMOS Web (Update B)"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions only if web components are used",
                "product": {
                  "name": "COMOS V10.2",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "COMOS V10.2"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V10.3.3.3 only if web components are used",
                "product": {
                  "name": "COMOS V10.3",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "COMOS V10.3"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V10.3.3.3 only if web components are used",
                "product": {
                  "name": "COMOS V10.3",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "COMOS V10.3"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V10.4.1 only if web components are used",
                "product": {
                  "name": "COMOS V10.4",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "COMOS V10.4"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-37194",
      "cwe": {
        "id": "CWE-434",
        "name": "Unrestricted Upload of File with Dangerous Type"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. This could allow an attacker to store malicious files.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-37194 - COMOS V10.3",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808862/"
        },
        {
          "summary": "CVE-2021-37194 - COMOS V10.4",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109805632/"
        },
        {
          "summary": "CVE-2021-37194 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-37194.json"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-37194"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "remediations": [
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.3.3.3 or later version",
          "product_ids": [
            "CSAFPID-0002"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808862/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.4.1 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109805632/"
        },
        {
          "category": "mitigation",
          "details": "For COMOS V10.4.1 / V10.3.3.3 and CVE-2021-37194: Use the new whitelisting feature, to specify the filetypes that are allowed to be uploaded",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "CVE-2021-37196 can be mitigated in all versions by making the root directory of the web server read only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "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",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        }
      ],
      "title": "CVE-2021-37194"
    },
    {
      "cve": "CVE-2021-37195",
      "cwe": {
        "id": "CWE-80",
        "name": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The COMOS Web component of COMOS accepts arbitrary code as attachment to tasks. This could allow an attacker to inject malicious code that is executed when loading the attachment.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-37195 - COMOS V10.3",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808862/"
        },
        {
          "summary": "CVE-2021-37195 - COMOS V10.4",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109805632/"
        },
        {
          "summary": "CVE-2021-37195 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-37195.json"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-37195"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"
        }
      ],
      "remediations": [
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.3.3.3 or later version",
          "product_ids": [
            "CSAFPID-0002"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808862/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.4.1 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109805632/"
        },
        {
          "category": "mitigation",
          "details": "For COMOS V10.4.1 / V10.3.3.3 and CVE-2021-37194: Use the new whitelisting feature, to specify the filetypes that are allowed to be uploaded",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "CVE-2021-37196 can be mitigated in all versions by making the root directory of the web server read only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "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",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0004"
          ]
        }
      ],
      "title": "CVE-2021-37195"
    },
    {
      "cve": "CVE-2021-37196",
      "cwe": {
        "id": "CWE-23",
        "name": "Relative Path Traversal"
      },
      "notes": [
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