{
  "document": {
    "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": "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": "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": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolating them from business networks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the 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 on cisa.gov. 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": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov 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": "CISA also recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open attachments in unsolicited email messages. Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
        "title": "Recommended Practices"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "central@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-16-224-02A JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2016/icsa-16-224-02a.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-16-224-02A - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-16-224-02a"
      },
      {
        "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/resources-tools/resources/ics-recommended-practices"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/topics/industrial-control-systems"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
      }
    ],
    "title": "Rockwell Automation RSLogix 500 and RSLogix Micro File Parser Buffer Overflow Vulnerability (Update A)",
    "tracking": {
      "current_release_date": "2025-06-09T17:24:28.897472Z",
      "generator": {
        "date": "2025-06-09T17:24:28.897130Z",
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-16-224-02A",
      "initial_release_date": "2016-05-15T06:00:00.000000Z",
      "revision_history": [
        {
          "date": "2016-05-15T06:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "Initial Publication"
        },
        {
          "date": "2025-06-09T17:24:28.897472Z",
          "legacy_version": "CSAF Conversion",
          "number": "2",
          "summary": "Advisory converted into a CSAF"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=10.00.00",
                "product": {
                  "name": "Rockwell Automation RSLogix Micro Starter Lite: \u003c=10.00.00",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "RSLogix Micro Starter Lite"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=10.00.00",
                "product": {
                  "name": "Rockwell Automation RSLogix Micro Developer: \u003c=10.00.00",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "RSLogix Micro Developer"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=10.00.00",
                "product": {
                  "name": "Rockwell Automation RSLogix 500 Starter Edition: \u003c=10.00.00",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "RSLogix 500 Starter Edition"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=10.00.00",
                "product": {
                  "name": "Rockwell Automation RSLogix 500 Standard Edition: \u003c=10.00.00",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "RSLogix 500 Standard Edition"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=10.00.00",
                "product": {
                  "name": "Rockwell Automation RSLogix 500 Professional Edition: \u003c=10.00.00",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "RSLogix 500 Professional Edition"
          }
        ],
        "category": "vendor",
        "name": "Rockwell Automation"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-5814",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Buffer overflow in Rockwell Automation RSLogix Micro Starter Lite, RSLogix Micro Developer, RSLogix 500 Starter Edition, RSLogix 500 Standard Edition, and RSLogix 500 Professional Edition allows remote attackers to execute arbitrary code via a crafted RSS project file.",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Users using affected versions of RSLogix 500 and RSLogix Micro are encouraged to update to Version 11.00.00 that addresses associated risk and includes added improvements to further harden the software and enhance its resilience against similar malicious attacks. Version 11.00.00 can be found on Rockwell Automation\u2019s web site at the following URL with a valid account: (http://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?Keyword=rslogix%20500\u0026crumb=112)",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ],
          "url": "http://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?Keyword=rslogix%20500\u0026crumb=112"
        },
        {
          "category": "mitigation",
          "details": "Users of RSLogix Micro Version 8.40.00 or RSLogix 500 Version 8.40.00 may apply patch KB878490 until they are able to update to Version 11.00.00. This patch can be found on Rockwell Automation\u2019s web site at the following URL with a valid account: (https://rockwellautomation.custhelp.com/app/answers/detail/a_id/878490)",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/detail/a_id/878490"
        },
        {
          "category": "mitigation",
          "details": "Do not open untrusted RSS files with RSLogix 500 and RSLogix Micro. Run all software as user, not as an administrator to minimize the impact of malicious code on the infected system. Use trusted software, software patches, and anti-virus/anti-malware programs, and interact only with trusted web sites and attachments. Employ training and awareness programs to educate users on the warning signs of a phishing or social engineering attack. Use of Microsoft AppLocker or other similar whitelisting application can help mitigate risk. Information on using AppLocker with Rockwell Automation products is available at the following URL with a valid account: (https://rockwellautomation.custhelp.com/app/answers/detail/a_id/546989) Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet. Locate control system networks and devices behind firewalls, and isolate them from the business network. When remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize that VPN is only as secure as the connected devices. For more information on this issue, please see Rockwell Automation\u2019s publication 898582 on its web site at: https://rockwellautomation.custhelp.com/app/answers/detail/a_id/898582",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/detail/a_id/546989"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ]
        }
      ]
    }
  ]
}