ICSA-21-063-01

Vulnerability from csaf_cisa - Published: 2021-03-04 00:00 - Updated: 2021-03-04 00:00
Summary
Rockwell Automation 1734-AENTR Series B and Series C

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 these vulnerabilities could lead to unauthorized data modification on the affected devices.
Critical infrastructure sectors
Critical Manufacturing
Countries/areas deployed
Worldwide
Company headquarters location
United States
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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 onus-cert.cisa.gov. 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 us-cert.cisa.gov in 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.
Recommended Practices
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
Exploitability
No known public exploits specifically target these vulnerabilities.
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{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Adam Eliot"
        ],
        "organization": "the Loon Security Team",
        "summary": "reporting these vulnerabilities to Rockwell Automation"
      }
    ],
    "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 lead to unauthorized data modification on the affected devices.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Critical Manufacturing",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "United States",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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 onus-cert.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 us-cert.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": "CISA also recommends users take the following measures to protect themselves from social engineering attacks:",
        "title": "Recommended Practices"
      },
      {
        "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": "self",
        "summary": "ICS Advisory ICSA-21-063-01 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-063-01.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-063-01 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-063-01"
      },
      {
        "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://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
      }
    ],
    "title": "Rockwell Automation 1734-AENTR Series B and Series C",
    "tracking": {
      "current_release_date": "2021-03-04T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-21-063-01",
      "initial_release_date": "2021-03-04T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2021-03-04T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-21-063-01 Rockwell Automation 1734-AENTR Series B and Series C"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "6.011 and 6.012",
                "product": {
                  "name": "Series C: Versions 6.011 and 6.012",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "Series C"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e 4.001 | \u003c 4.005 | \u003e 5.011 | \u003c 5.017",
                "product": {
                  "name": "Series B: Versions 4.001 to 4.005 and 5.011 to 5.017",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Series B"
          }
        ],
        "category": "vendor",
        "name": "Rockwell Automation"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-14504",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The web interface of the 1734-AENTR communication module mishandles authentication for HTTP POST requests. A remote, unauthenticated attacker can send a crafted request that may allow for modification of the configuration settings.CVE-2020-14504 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-14504"
        },
        {
          "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:H/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "1734-AENTR Series B, update to firmware Version 5.018",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx?crumb=112\u0026refSoft=1\u0026toggleState=\u0026versions=59459"
        },
        {
          "category": "mitigation",
          "details": "1734-AENTR Series C, update to firmware Version 6.013",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx?crumb=112\u0026refSoft=1\u0026toggleState=\u0026versions=59460"
        },
        {
          "category": "mitigation",
          "details": "Please refer to Rockwell Automation\u0027s security advisory PN1551 (requires login) for detailed information.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1130321"
        },
        {
          "category": "mitigation",
          "details": "Utilize proper network infrastructure controls, such as firewalls, to help ensure that traffic from unauthorized sources are blocked.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "Minimize network exposure for all control system devices and/or systems and ensure that they are not accessible from the Internet. For further information about the risks of unprotected Internet accessible control systems, please see Knowledgebase Article PN715",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/494865/redirectF494865"
        },
        {
          "category": "mitigation",
          "details": "Locate control system networks and devices behind firewalls and isolate them from the business network.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "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.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2020-14502",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The web interface of the 1734-AENTR communication module is vulnerable to stored XSS. A remote, unauthenticated attacker could store a malicious script within the web interface that, when executed, could modify some string values on the homepage of the web interface.CVE-2020-14502 has been assigned to this vulnerability. A CVSS v3 base score of 4.7 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-14502"
        },
        {
          "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:R/S:C/C:N/I:L/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "1734-AENTR Series B, update to firmware Version 5.018",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx?crumb=112\u0026refSoft=1\u0026toggleState=\u0026versions=59459"
        },
        {
          "category": "mitigation",
          "details": "1734-AENTR Series C, update to firmware Version 6.013",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx?crumb=112\u0026refSoft=1\u0026toggleState=\u0026versions=59460"
        },
        {
          "category": "mitigation",
          "details": "Please refer to Rockwell Automation\u0027s security advisory PN1551 (requires login) for detailed information.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1130321"
        },
        {
          "category": "mitigation",
          "details": "Utilize proper network infrastructure controls, such as firewalls, to help ensure that traffic from unauthorized sources are blocked.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "Minimize network exposure for all control system devices and/or systems and ensure that they are not accessible from the Internet. For further information about the risks of unprotected Internet accessible control systems, please see Knowledgebase Article PN715",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/494865/redirectF494865"
        },
        {
          "category": "mitigation",
          "details": "Locate control system networks and devices behind firewalls and isolate them from the business network.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "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.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ]
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.