CVE-2024-45368

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However, there's an observed anomaly in the H2-DM1E PLC's protocol execution, namely its acceptance of multiple distinct packets as valid authentication responses. This behavior deviates from standard security practices where a single, specific response or encoding pattern is expected for successful authentication.</span>\n\n</span>"}], "value": "The H2-DM1E PLC's authentication protocol appears to utilize either a custom encoding scheme or a challenge-response protocol. However, there's an observed anomaly in the H2-DM1E PLC's protocol execution, namely its acceptance of multiple distinct packets as valid authentication responses. 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This strategy will isolate the older technology from the broader network, reducing its exposure to external threats and minimizing the impact of any security vulnerabilities.</li><li>Deploy a StrideLinx secure VPN platform: AutomationDirect also recommends placing the system behind a StrideLinx VPN platform.</li></ul><p>These mitigation strategies provide a comprehensive approach to managing the risks associated with the H2-DM1E while preparing for future security needs. <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.automationdirect.com/adc/contactus/contactus\">Please reach out to AutomationDirect</a>&nbsp;if you have any further questions or require additional details on these recommendations.</p>\n\n<br>"}], "value": "As part of their ongoing risk assessment, AutomationDirect has determined that the H2-DM1E, due to its age and inherent architectural limitations, can no longer be supported within the secure development lifecycle.\n\nTo address these challenges, AutomationDirect recommends the following mitigation strategies based on a thorough risk assessment:\n\n * Upgrade to the BRX platform: Transitioning to the BRX platform is strongly advised, as it is designed to meet current security standards and is actively maintained within AutomationDirect's secure development lifecycle.\n * Network segmentation and air gapping: To mitigate risks associated with the H2-DM1E, AutomationDirect recommends implementing network segmentation and air gapping. This strategy will isolate the older technology from the broader network, reducing its exposure to external threats and minimizing the impact of any security vulnerabilities.\n * Deploy a StrideLinx secure VPN platform: AutomationDirect also recommends placing the system behind a StrideLinx VPN platform.\n\n\nThese mitigation strategies provide a comprehensive approach to managing the risks associated with the H2-DM1E while preparing for future security needs. Please reach out to AutomationDirect https://www.automationdirect.com/adc/contactus/contactus \u00a0if you have any further questions or require additional details on these recommendations."}], "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"affected": [{"vendor": "automationdirect", "product": "h2-dm1e_firmware", "cpes": ["cpe:2.3:o:automationdirect:h2-dm1e_firmware:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.8.0", "versionType": "custom"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-13T17:37:03.141320Z", "id": "CVE-2024-45368", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-13T17:41:54.617Z"}}]}}

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This strategy will isolate the older technology from the broader network, reducing its exposure to external threats and minimizing the impact of any security vulnerabilities.\n * Deploy a StrideLinx secure VPN platform: AutomationDirect also recommends placing the system behind a StrideLinx VPN platform.\n\n\nThese mitigation strategies provide a comprehensive approach to managing the risks associated with the H2-DM1E while preparing for future security needs. Please reach out to AutomationDirect https://www.automationdirect.com/adc/contactus/contactus \u00a0if you have any further questions or require additional details on these recommendations.", "supportingMedia": [{"type": "text/html", "value": "<p>As part of their ongoing risk assessment, AutomationDirect has determined that the H2-DM1E, due to its age and inherent architectural limitations, can no longer be supported within the secure development lifecycle.</p><p>To address these challenges, AutomationDirect recommends the following mitigation strategies based on a thorough risk assessment:</p><ul><li>Upgrade to the BRX platform: Transitioning to the BRX platform is strongly advised, as it is designed to meet current security standards and is actively maintained within AutomationDirect's secure development lifecycle.</li><li>Network segmentation and air gapping: To mitigate risks associated with the H2-DM1E, AutomationDirect recommends implementing network segmentation and air gapping. This strategy will isolate the older technology from the broader network, reducing its exposure to external threats and minimizing the impact of any security vulnerabilities.</li><li>Deploy a StrideLinx secure VPN platform: AutomationDirect also recommends placing the system behind a StrideLinx VPN platform.</li></ul><p>These mitigation strategies provide a comprehensive approach to managing the risks associated with the H2-DM1E while preparing for future security needs. <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.automationdirect.com/adc/contactus/contactus\">Please reach out to AutomationDirect</a>&nbsp;if you have any further questions or require additional details on these recommendations.</p>\n\n<br>", "base64": false}]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "The H2-DM1E PLC's authentication protocol appears to utilize either a custom encoding scheme or a challenge-response protocol. 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "DirectLogic H2-DM1E", "vendor": "AutomationDirect", "versions": [{"lessThanOrEqual": "2.8.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "ics-cert@hq.dhs.gov"}, {"affectedData": [{"cpes": ["cpe:2.3:o:automationdirect:h2-dm1e_firmware:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "h2-dm1e_firmware", "vendor": "automationdirect", "versions": [{"lessThanOrEqual": "2.8.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The H2-DM1E PLC's authentication protocol appears to utilize either a custom encoding scheme or a challenge-response protocol. However, there's an observed anomaly in the H2-DM1E PLC's protocol execution, namely its acceptance of multiple distinct packets as valid authentication responses. This behavior deviates from standard security practices where a single, specific response or encoding pattern is expected for successful authentication."}, {"lang": "es", "value": "El protocolo de autenticaci\u00f3n del PLC H2-DM1E parece utilizar un esquema de codificaci\u00f3n personalizado o un protocolo de desaf\u00edo-respuesta. Sin embargo, se observa una anomal\u00eda en la ejecuci\u00f3n del protocolo del PLC H2-DM1E, a saber, la aceptaci\u00f3n de m\u00faltiples paquetes distintos como respuestas de autenticaci\u00f3n v\u00e1lidas. Este comportamiento se desv\u00eda de las pr\u00e1cticas de seguridad est\u00e1ndar, en las que se espera una \u00fanica respuesta espec\u00edfica o un patr\u00f3n de codificaci\u00f3n para una autenticaci\u00f3n exitosa."}], "id": "CVE-2024-45368", "lastModified": "2026-06-17T07:54:05.420", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-45368", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-09-13T17:37:03.141320Z", "version": "2.0.3"}}]}, "published": "2024-09-13T17:15:12.800", "references": [{"source": "ics-cert@hq.dhs.gov", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-256-17"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}

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