CVE-2026-3893

{"id": "CVE-2026-3893", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.4, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 5.5, "exploitabilityScore": 3.9}]}, "published": "2026-04-28T19:37:39.647", "references": [{"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", "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-306"}]}], "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."}], "lastModified": "2026-04-28T20:10:23.367", "sourceIdentifier": "ics-cert@hq.dhs.gov"}