{"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":"2026-06-26T05:00:00.212Z"},"containers":{"cna":{"providerMetadata":{"orgId":"c15abc07-96a9-4d11-a503-5d621bfe42ba","shortName":"ASRG","dateUpdated":"2026-06-26T05:00:00.212Z"},"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. \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 a 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"]},{"url":"https://www.asrg.io/security-advisories/cve-2026-49319-suzuki-swift-2024-rkes-rollback-replay","tags":["third-party-advisory"]}],"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"}}]}}