{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Simon Janz"
        ],
        "organization": "Trend Micro Zero Day Initiative",
        "summary": "reporting these vulnerabilities to CISA"
      }
    ],
    "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 unauthorized user to bypass authentication or to execute arbitrary commands on the device.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Multiple Sectors",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Taiwan",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "Moxa has developed a solution to address these vulnerabilities. Users should upgrade to software v1.0.1 or higher.Users are encouraged to visit Moxa\ufffds security advisory MPSA-230301 for more information.CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolate them from business networks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its connected devices.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best 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 at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "No known public exploits specifically target these vulnerabilities.",
        "title": "Recommended Practices"
      }
    ],
    "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": "self",
        "summary": "ICS Advisory ICSA-23-145-01 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2023/icsa-23-145-01.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-23-145-01 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-145-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.moxa.com/en/products/industrial-network-infrastructure/network-management-software/mxsecurity-series?viewmode=0#resources"
      },
      {
        "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://us-cert.cisa.gov/ics/Recommended-Practices"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://cisa.gov/ics"
      }
    ],
    "title": "Moxa MXsecurity Series",
    "tracking": {
      "current_release_date": "2023-05-31T20:26:29.755020Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-23-145-01",
      "initial_release_date": "2023-05-31T20:26:29.755020Z",
      "revision_history": [
        {
          "date": "2023-05-31T20:26:29.755020Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "CSAF Creation Date"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "Version v1.0",
                "product": {
                  "name": "MXsecurity Series Software: Version v1.0",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "MXsecurity Series Software"
          }
        ],
        "category": "vendor",
        "name": "Moxa"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-33235",
      "cwe": {
        "id": "CWE-77",
        "name": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An remote attacker,who has gained authorization privileges, could execute arbitrary commands on the device.",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-33235"
        },
        {
          "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:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Moxa has developed a solution to address these vulnerabilities. Users should upgrade to software v1.0.1 or higher.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.moxa.com/en/products/industrial-network-infrastructure/network-management-software/mxsecurity-series?viewmode=0#resources"
        },
        {
          "category": "vendor_fix",
          "details": "Users are encouraged to visit Moxa\u0027s security advisory MPSA-230301 for more information.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.moxa.com/en/support/product-support/security-advisory/mxsecurity-command-injection-and-hardcoded-credential-vulnerabilities"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2023-33236",
      "cwe": {
        "id": "CWE-798",
        "name": "Use of Hard-coded Credentials"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An attacker could bypass authentication for web-based application programmable interfaces (APIs).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-33236"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Moxa has developed a solution to address these vulnerabilities. Users should upgrade to software v1.0.1 or higher.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.moxa.com/en/products/industrial-network-infrastructure/network-management-software/mxsecurity-series?viewmode=0#resources"
        },
        {
          "category": "vendor_fix",
          "details": "Users are encouraged to visit Moxa\u0027s security advisory MPSA-230301 for more information.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.moxa.com/en/support/product-support/security-advisory/mxsecurity-command-injection-and-hardcoded-credential-vulnerabilities"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}