{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49319", "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "state": "PUBLISHED", "assignerShortName": "ASRG", "dateReserved": "2026-05-29T07:26:43.198Z", "datePublished": "2026-06-25T14:11:18.921Z", "dateUpdated": "2026-06-25T15:12:19.151Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "shortName": "ASRG", "dateUpdated": "2026-06-25T14:11:18.921Z"}, "title": "Alps Electric Co., Ltd. R53R0 Remote Keyless Entry System (RKES) Replay Attack", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-294", "description": "CWE-294 Authentication Bypass by Capture-replay", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Reusing Session IDs (aka Session Replay)"}]}, {"descriptions": [{"lang": "en", "value": "Sniffing Network Traffic"}]}], "affected": [{"vendor": "Alps Electric Co., Ltd.", "product": "Remote Keyless Entry System (RKES) R53R0", "modules": ["Rolling-code authentication / resynchronization logic"], "versions": [{"status": "affected", "version": "R53R0", "versionType": "custom"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "Remote Keyless Entry System (RKES), using the 433 MHz key fob bearing FCC ID CWTR53R0 manufactured by ALPS ALPINE CO., LTD., is vulnerable to a roll-back attack against its rolling-code authentication.\u00a0\n\n\n\nAn attacker within RF range who records two consecutive lock or unlock transmissions from a legitimate key fob can later replay the same pair of transmissions repeatedly. During testing, replaying the first captured transmission caused the RKES to enter a state in which replaying the second captured transmission resulted in a successful lock or unlock operation of the vehicle. Tested and confirmed on\u00a0a 2024 Suzuki Swift (SWIFT ISG GLS AC 1.2 5P 4x2 TM).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Remote Keyless Entry System (RKES), using the 433 MHz key fob bearing FCC ID CWTR53R0 manufactured by ALPS ALPINE CO., LTD., is vulnerable to a roll-back attack against its rolling-code authentication.&nbsp;</p><p>An attacker within RF range who records two consecutive lock or unlock transmissions from a legitimate key fob can later replay the same pair of transmissions repeatedly. During testing, replaying the first captured transmission caused the RKES to enter a state in which replaying the second captured transmission resulted in a successful lock or unlock operation of the vehicle. Tested and confirmed on&nbsp;<span>a 2024 Suzuki Swift (SWIFT ISG GLS AC 1.2 5P 4x2 TM).</span></p>"}]}], "references": [{"url": "https://fccid.io/CWTR53R0", "tags": ["product"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "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": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N"}}], "credits": [{"lang": "en", "value": "Danilo Erazo (Automotive Cybersecurity Researcher)", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-25T15:12:12.690462Z", "id": "CVE-2026-49319", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-25T15:12:19.151Z"}}]}}

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