{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-13926", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2025-12-02T21:00:14.794Z", "datePublished": "2026-04-09T19:47:17.841Z", "dateUpdated": "2026-04-09T19:47:17.841Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-04-09T19:47:17.841Z"}, "title": "Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-807", "description": "CWE-807", "type": "CWE"}]}], "affected": [{"vendor": "Contemporary Controls", "product": "BASControl20", "versions": [{"status": "affected", "version": "3.1"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to make arbitrary requests to Contemporary \nControls BASC 20T.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to make arbitrary requests to Contemporary \nControls BASC 20T."}]}], "tags": ["unsupported-when-assigned"], "references": [{"url": "https://www.ccontrols.com/support/contacttech.htm"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-01"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-01.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "workarounds": [{"lang": "en", "value": "According to Contemporary Controls, the BASC-20T is an obsolete product. It is recommended that users of the affected product contact Contemporary Controls https://www.ccontrols.com/support/contacttech.htm for additional information.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "According to Contemporary Controls, the BASC-20T is an obsolete product. It is recommended that users of the affected product <a href=\"https://www.ccontrols.com/support/contacttech.htm\">contact Contemporary Controls</a> for additional information."}]}], "credits": [{"lang": "en", "value": "Joseph Fields of Naval Information Warfare Center Pacific reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-099-01", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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