GSD-2021-32986

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-32986",
    "description": "After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.",
    "id": "GSD-2021-32986"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-32986"
      ],
      "details": "After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.",
      "id": "GSD-2021-32986",
      "modified": "2023-12-13T01:23:09.231255Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-32986",
        "STATE": "PUBLIC",
        "TITLE": "Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel"
      },
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          "vendor_data": [
            {
              "product": {
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                  {
                    "product_name": "CLICK PLC CPU Modules: C0-1x CPUs",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "3.00"
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              "vendor_name": "Automation Direct"
            }
          ]
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      },
      "credit": [
        {
          "lang": "eng",
          "value": "Irfan Ahmed and Adeen Ayub of Virginia Commonwealth University and Hyunguk Yoo of the University of New Orleans reported these vulnerabilities to Automation Direct."
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          }
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      "generator": {
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      },
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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            "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02",
            "refsource": "CONFIRM",
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02"
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      "solution": [
        {
          "lang": "eng",
          "value": "Automation Direct reports these vulnerabilities are all mitigated by Version 3.00 and recommends users update software and firmware to the latest version.\n\nAutomation Direct also recommends users follow its security guidelines."
        }
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        "advisory": "ICSA-21-166-02",
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            "accessVector": "NETWORK",
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      },
      "lastModifiedDate": "2022-10-25T19:40Z",
      "publishedDate": "2022-04-04T20:15Z"
    }
  }
}


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  • 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.


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Detection rules are retrieved from Rulezet.

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