CVE-2025-25051 (GCVE-0-2025-25051)

Vulnerability from cvelistv5 – Published: 2026-01-22 22:21 – Updated: 2026-01-23 20:10
VLAI
Title
AutomationDirect CLICK Programmable Logic Controller Plaintext Storage of a Password
Summary
An attacker could decrypt sensitive data, impersonate legitimate users or devices, and potentially gain access to network resources for lateral attacks.
Severity
6.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
AutomationDirect CLICK Programmable Logic Controller Affected: C0-0x
Affected: C0-1x
Affected: C2-x
Unaffected: V3.90
Create a notification for this product.
Credits
Dylan Chambers Bourgeois of Triskele Labs reported these vulnerabilities to CISA
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-25051",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-23T20:09:56.650718Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-23T20:10:07.680Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "CLICK Programmable Logic Controller",
          "vendor": "AutomationDirect",
          "versions": [
            {
              "status": "affected",
              "version": "C0-0x"
            },
            {
              "status": "affected",
              "version": "C0-1x"
            },
            {
              "status": "affected",
              "version": "C2-x"
            },
            {
              "status": "unaffected",
              "version": "V3.90"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Dylan Chambers Bourgeois of Triskele Labs reported these vulnerabilities to CISA"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An attacker could decrypt sensitive data, impersonate legitimate users \nor devices, and potentially gain access to network resources for lateral\n attacks."
            }
          ],
          "value": "An attacker could decrypt sensitive data, impersonate legitimate users \nor devices, and potentially gain access to network resources for lateral\n attacks."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-256",
              "description": "CWE-256",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-22T22:21:17.674Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-02"
        },
        {
          "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-022-02.json"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "AutomationDirect recommends that users update CLICK PLUS and firmware to V3.90.\n\n\u003cbr\u003e"
            }
          ],
          "value": "AutomationDirect recommends that users update CLICK PLUS and firmware to V3.90."
        }
      ],
      "source": {
        "advisory": "ICSA-26-022-02",
        "discovery": "EXTERNAL"
      },
      "title": "AutomationDirect CLICK Programmable Logic Controller Plaintext Storage of a Password",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIf the update cannot be applied right away, the following \ncompensating controls are recommended until the upgrade can be \nperformed:\u003cbr\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eNetwork Isolation \u2013 Disconnect the \nCLICK PLUS PLC from external networks (e.g., the internet or corporate \nLAN) to reduce exposure.\u003c/li\u003e\u003cli\u003eSecure Communications \u2013 Use only trusted, dedicated internal networks or air-gapped systems for device communication.\u003c/li\u003e\u003cli\u003eAccess Control \u2013 Restrict both physical and logical access to authorized personnel only.\u003c/li\u003e\u003cli\u003eApplication Whitelisting \u2013 Configure \nwhitelisting so that only trusted, pre-approved applications are allowed\n to run. Block any unauthorized software.\u003c/li\u003e\u003cli\u003eEndpoint Protection \u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\u003c/li\u003e\u003cli\u003eLogging \u0026amp; Monitoring \u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.\u003c/li\u003e\u003cli\u003eBackup \u0026amp; Recovery \u2013 Maintain \nsecure, tested backups of the PLC and its configurations to minimize \ndowntime in case of an incident.\u003c/li\u003e\u003cli\u003eOngoing Risk Assessment \u2013 Continuously\n evaluate risks associated with running outdated firmware and adjust \ncompensating measures accordingly.\u003c/li\u003e\u003c/ul\u003e\n\n\n\n\n\n\n\n\n\n\u003cbr\u003e"
            }
          ],
          "value": "If the update cannot be applied right away, the following \ncompensating controls are recommended until the upgrade can be \nperformed:\n\n\n  *  Network Isolation \u2013 Disconnect the \nCLICK PLUS PLC from external networks (e.g., the internet or corporate \nLAN) to reduce exposure.\n  *  Secure Communications \u2013 Use only trusted, dedicated internal networks or air-gapped systems for device communication.\n  *  Access Control \u2013 Restrict both physical and logical access to authorized personnel only.\n  *  Application Whitelisting \u2013 Configure \nwhitelisting so that only trusted, pre-approved applications are allowed\n to run. Block any unauthorized software.\n  *  Endpoint Protection \u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\n  *  Logging \u0026 Monitoring \u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.\n  *  Backup \u0026 Recovery \u2013 Maintain \nsecure, tested backups of the PLC and its configurations to minimize \ndowntime in case of an incident.\n  *  Ongoing Risk Assessment \u2013 Continuously\n evaluate risks associated with running outdated firmware and adjust \ncompensating measures accordingly."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2025-25051",
    "datePublished": "2026-01-22T22:21:17.674Z",
    "dateReserved": "2025-02-05T15:36:40.953Z",
    "dateUpdated": "2026-01-23T20:10:07.680Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-25051",
      "date": "2026-06-01",
      "epss": "0.00021",
      "percentile": "0.06078"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-25051\",\"sourceIdentifier\":\"ics-cert@hq.dhs.gov\",\"published\":\"2026-01-22T23:15:48.803\",\"lastModified\":\"2026-01-26T15:04:14.850\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An attacker could decrypt sensitive data, impersonate legitimate users \\nor devices, and potentially gain access to network resources for lateral\\n attacks.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-256\"}]}],\"references\":[{\"url\":\"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-022-02.json\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-02\",\"source\":\"ics-cert@hq.dhs.gov\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-25051\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-23T20:09:56.650718Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-23T20:10:03.021Z\"}}], \"cna\": {\"title\": \"AutomationDirect CLICK Programmable Logic Controller Plaintext Storage of a Password\", \"source\": {\"advisory\": \"ICSA-26-022-02\", \"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Dylan Chambers Bourgeois of Triskele Labs reported these vulnerabilities to CISA\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.1, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"AutomationDirect\", \"product\": \"CLICK Programmable Logic Controller\", \"versions\": [{\"status\": \"affected\", \"version\": \"C0-0x\"}, {\"status\": \"affected\", \"version\": \"C0-1x\"}, {\"status\": \"affected\", \"version\": \"C2-x\"}, {\"status\": \"unaffected\", \"version\": \"V3.90\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"AutomationDirect recommends that users update CLICK PLUS and firmware to V3.90.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"AutomationDirect recommends that users update CLICK PLUS and firmware to V3.90.\\n\\n\u003cbr\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-02\"}, {\"url\": \"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-022-02.json\"}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"If the update cannot be applied right away, the following \\ncompensating controls are recommended until the upgrade can be \\nperformed:\\n\\n\\n  *  Network Isolation \\u2013 Disconnect the \\nCLICK PLUS PLC from external networks (e.g., the internet or corporate \\nLAN) to reduce exposure.\\n  *  Secure Communications \\u2013 Use only trusted, dedicated internal networks or air-gapped systems for device communication.\\n  *  Access Control \\u2013 Restrict both physical and logical access to authorized personnel only.\\n  *  Application Whitelisting \\u2013 Configure \\nwhitelisting so that only trusted, pre-approved applications are allowed\\n to run. Block any unauthorized software.\\n  *  Endpoint Protection \\u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\\n  *  Logging \u0026 Monitoring \\u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.\\n  *  Backup \u0026 Recovery \\u2013 Maintain \\nsecure, tested backups of the PLC and its configurations to minimize \\ndowntime in case of an incident.\\n  *  Ongoing Risk Assessment \\u2013 Continuously\\n evaluate risks associated with running outdated firmware and adjust \\ncompensating measures accordingly.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eIf the update cannot be applied right away, the following \\ncompensating controls are recommended until the upgrade can be \\nperformed:\u003cbr\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eNetwork Isolation \\u2013 Disconnect the \\nCLICK PLUS PLC from external networks (e.g., the internet or corporate \\nLAN) to reduce exposure.\u003c/li\u003e\u003cli\u003eSecure Communications \\u2013 Use only trusted, dedicated internal networks or air-gapped systems for device communication.\u003c/li\u003e\u003cli\u003eAccess Control \\u2013 Restrict both physical and logical access to authorized personnel only.\u003c/li\u003e\u003cli\u003eApplication Whitelisting \\u2013 Configure \\nwhitelisting so that only trusted, pre-approved applications are allowed\\n to run. Block any unauthorized software.\u003c/li\u003e\u003cli\u003eEndpoint Protection \\u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\u003c/li\u003e\u003cli\u003eLogging \u0026amp; Monitoring \\u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.\u003c/li\u003e\u003cli\u003eBackup \u0026amp; Recovery \\u2013 Maintain \\nsecure, tested backups of the PLC and its configurations to minimize \\ndowntime in case of an incident.\u003c/li\u003e\u003cli\u003eOngoing Risk Assessment \\u2013 Continuously\\n evaluate risks associated with running outdated firmware and adjust \\ncompensating measures accordingly.\u003c/li\u003e\u003c/ul\u003e\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\u003cbr\u003e\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.5.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An attacker could decrypt sensitive data, impersonate legitimate users \\nor devices, and potentially gain access to network resources for lateral\\n attacks.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An attacker could decrypt sensitive data, impersonate legitimate users \\nor devices, and potentially gain access to network resources for lateral\\n attacks.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-256\", \"description\": \"CWE-256\"}]}], \"providerMetadata\": {\"orgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"shortName\": \"icscert\", \"dateUpdated\": \"2026-01-22T22:21:17.674Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-25051\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-23T20:10:07.680Z\", \"dateReserved\": \"2025-02-05T15:36:40.953Z\", \"assignerOrgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"datePublished\": \"2026-01-22T22:21:17.674Z\", \"assignerShortName\": \"icscert\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.