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Incorrect calculation of buffer size can cause DoS on CODESYS OPC UA products","description":"An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.\n\n","status":"published","published":"2024-06-04T08:54:06.522Z","modified":"2024-08-01T20:55:10.389Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-131"],"updated_at":"2026-11-02T14:34:01.630882Z"}],"euvd":[{"id":"EUVD-2024-46275","description":"An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.\n\n","status":"published","published":"2024-06-04T08:54:06Z","modified":"2024-08-01T20:55:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:35.778531Z"}],"ghsa":[{"id":"GHSA-xchm-28cx-p56h","title":"An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to...","description":"An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.\n\n","status":"published","published":"2024-06-04T09:30:57Z","modified":"2024-06-04T09:31:04Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-131"],"updated_at":"2026-11-02T14:57:24.954889Z"}],"nvd":[{"id":"CVE-2024-5000","description":"An unauthenticated remote attacker can use a malicious OPC UA client to send a 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