{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3893", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-03-10T16:52:36.791Z", "datePublished": "2026-04-28T17:34:56.130Z", "dateUpdated": "2026-04-28T17:34:56.130Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-04-28T17:34:56.130Z"}, "title": "Carlson Software VASCO-B GNSS Receiver Missing Authentication for Critical Function", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306", "type": "CWE"}]}], "affected": [{"vendor": "Carlson Software", "product": "VASCO-B GNSS Receiver", "versions": [{"status": "affected", "version": "0", "lessThan": "1.4.0", "versionType": "custom"}, {"status": "unaffected", "version": "1.4.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials."}]}], "references": [{"url": "https://www.carlsonsw.com/support-and-training/"}, {"url": "https://www.cve.org/CVERecord?id=CVE-2026-3893"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-113-02.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": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Carlson Software recommends users update to Version 1.4.0 or greater. \nFor more information contact Carlson Software \nhttps://www.carlsonsw.com/support-and-training/", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>\nCarlson Software recommends users update to Version 1.4.0 or greater. \nFor more information contact Carlson Software \nhttps://www.carlsonsw.com/support-and-training/</div>"}]}], "credits": [{"lang": "en", "value": "Souvik Kandar reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-113-02", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials."}], "id": "CVE-2026-3893", "lastModified": "2026-04-28T20:10:23.367", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.5, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}, "published": "2026-04-28T19:37:39.647", "references": [{"source": "ics-cert@hq.dhs.gov", "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-113-02.json"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://www.carlsonsw.com/support-and-training/"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://www.cve.org/CVERecord?id=CVE-2026-3893"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "ics-cert@hq.dhs.gov", "type": "Primary"}]}

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