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vuln-cve/data/2025/55xxx/CVE-2025-55069.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2025-55069",
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"state": "PUBLISHED",
"assignerShortName": "icscert",
"dateReserved": "2025-09-16T20:09:26.643Z",
"datePublished": "2025-09-23T22:15:46.833Z",
"dateUpdated": "2025-09-24T14:07:59.115Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "CLICK PLUS C0-0x CPU firmware",
"vendor": "AutomationDirect",
"versions": [
{
"lessThan": "v3.71",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "CLICK PLUS C0-1x CPU firmware",
"vendor": "AutomationDirect",
"versions": [
{
"lessThan": "v3.71",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "CLICK PLUS C2-x CPU firmware",
"vendor": "AutomationDirect",
"versions": [
{
"lessThan": "v3.71",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Luca Borzacchiello and Diego Zaffaroni of Nozomi Networks reported these vulnerabilities to Automation Direct."
}
],
"datePublic": "2025-09-23T16:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">A predictable seed in pseudo-random number generator vulnerability has been discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software implements a predictable seed for its pseudo-random number generator, which compromises the security of the generated private keys.</span>\n\n</span>\n\n</span>\n\n</span>\n\n</span>"
}
],
"value": "A predictable seed in pseudo-random number generator vulnerability has been discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software implements a predictable seed for its pseudo-random number generator, which compromises the security of the generated private keys."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-337",
"description": "CWE-337 Predictable Seed in Pseudo-Random Number Generator",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert",
"dateUpdated": "2025-09-23T22:15:46.833Z"
},
"references": [
{
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01"
},
{
"url": "https://www.automationdirect.com/support/software-downloads"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>AutomationDirect recommends that users update CLICK PLUS and firmware to <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.automationdirect.com/support/software-downloads\">V3.80.</a></p><p>If the update cannot be applied right away, the following compensating controls are recommended until the upgrade can be performed:</p><ul><li>Network Isolation – Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure.</li><li>Secure Communications – Use only trusted, dedicated internal networks or air-gapped systems for device communication.</li><li>Access Control – Restrict both physical and logical access to authorized personnel only.</li><li>Application Whitelisting – Configure whitelisting so that only trusted, pre-approved applications are allowed to run. Block any unauthorized software.</li><li>Endpoint Protection – Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.</li><li>Logging &amp; Monitoring – Enable and regularly review system logs to detect suspicious or unauthorized activity.</li><li>Backup &amp; Recovery – Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.</li><li>Ongoing Risk Assessment – Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly.</li></ul>\n\n<br>"
}
],
"value": "AutomationDirect recommends that users update CLICK PLUS and firmware to V3.80. https://www.automationdirect.com/support/software-downloads \n\nIf the update cannot be applied right away, the following compensating controls are recommended until the upgrade can be performed:\n\n * Network Isolation – Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure.\n * Secure Communications – Use only trusted, dedicated internal networks or air-gapped systems for device communication.\n * Access Control – Restrict both physical and logical access to authorized personnel only.\n * Application Whitelisting – Configure whitelisting so that only trusted, pre-approved applications are allowed to run. Block any unauthorized software.\n * Endpoint Protection – Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.\n * Logging & Monitoring – Enable and regularly review system logs to detect suspicious or unauthorized activity.\n * Backup & Recovery – Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.\n * Ongoing Risk Assessment – Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly."
}
],
"source": {
"advisory": "ICSA-25-266-01",
"discovery": "EXTERNAL"
},
"title": "AutomationDirect CLICK PLUS Predictable Seed in Pseudo-Random Number Generator",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-09-24T14:06:23.215875Z",
"id": "CVE-2025-55069",
"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": "2025-09-24T14:07:59.115Z"
}
}
]
}
}
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