icsa-21-159-13
Vulnerability from csaf_cisa
Published
2021-06-08 00:00
Modified
2022-05-12 00:00
Summary
Siemens SIMATIC RFID (Update B)

Notes

CISA Disclaimer
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
Legal Notice
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/.
Risk evaluation
Successful exploitation of this vulnerability could allow an unauthorized attacker to crash the OPC UA service of the affected devices.
Critical infrastructure sectors
Multiple
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Recommended Practices
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on cisa.gov/icsin the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Exploitability
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens",
        "summary": "reporting this vulnerability 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 this vulnerability could allow an unauthorized attacker to crash the OPC UA service of the affected devices.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Multiple",
        "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 this vulnerability. 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/ics. 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/icsin 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 this vulnerability. This vulnerability is not exploitable remotely.",
        "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-787292: Denial of Service Vulnerability in SIMATIC RFID Readers - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-787292.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-159-13 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-159-13.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-159-13 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-159-13"
      },
      {
        "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-787292: Denial of Service Vulnerability in SIMATIC RFID Readers - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-787292.pdf"
      },
      {
        "category": "external",
        "summary": "SSA-787292: Denial of Service Vulnerability in SIMATIC RFID Readers - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-787292.txt"
      }
    ],
    "title": "Siemens SIMATIC RFID  (Update B)",
    "tracking": {
      "current_release_date": "2022-05-12T00:00:00.000000Z",
      "generator": {
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          "name": "CISA CSAF Generator",
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        },
        {
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        },
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        "category": "vendor",
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-31340",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected devices do not properly handle large numbers of incoming connections. An attacker may leverage this to cause a Denial-of-Service situation.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008",
          "CSAFPID-0009",
          "CSAFPID-00010",
          "CSAFPID-00011",
          "CSAFPID-00012",
          "CSAFPID-00013",
          "CSAFPID-00014",
          "CSAFPID-00015",
          "CSAFPID-00016",
          "CSAFPID-00017",
          "CSAFPID-00018",
          "CSAFPID-00019",
          "CSAFPID-00020",
          "CSAFPID-00021",
          "CSAFPID-00022",
          "CSAFPID-00023",
          "CSAFPID-00024",
          "CSAFPID-00025"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF610R CMIIT",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF610R ETSI",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF610R FCC",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF615R CMIIT",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF615R ETSI",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF615R FCC",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R ARIB",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R CMIIT",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R ETSI",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R FCC",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R ARIB",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R CMIIT",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R ETSI",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R FCC",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R ARIB",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R CMIIT",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R ETSI",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R FCC",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC RF166C",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC RF185C",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC RF186C",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC RF186CI",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC RF188C",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC RF188CI",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "summary": "CVE-2021-31340 - SIMATIC RF360R",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808759"
        },
        {
          "summary": "CVE-2021-31340 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-31340.json"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-31340"
        },
        {
          "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:N/I:N/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V4.0 or later version",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V1.3.2",
          "product_ids": [
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023",
            "CSAFPID-00024"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.0 or later version",
          "product_ids": [
            "CSAFPID-00025"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808759"
        },
        {
          "category": "mitigation",
          "details": "Deactivate the OPC-UA feature of affected devices",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018",
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023",
            "CSAFPID-00024",
            "CSAFPID-00025"
          ]
        },
        {
          "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-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018",
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023",
            "CSAFPID-00024",
            "CSAFPID-00025"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018",
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023",
            "CSAFPID-00024",
            "CSAFPID-00025"
          ]
        }
      ],
      "title": "CVE-2021-31340"
    }
  ]
}


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