{"id":"CVE-2023-26597","aliases":["EUVD-2023-30392","GHSA-mxwr-w7j9-6428"],"status":"published","title":"Controller DOS on sending error response","description":"Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller. See Honeywell Security Notification for recommendations on upgrading and versioning. See Honeywell Security Notification for recommendations on upgrading and versioning.","severity":{"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","from":"cve"},"epss":{"day":"2026-11-11","score":0.00636,"percentile":0.50956,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-787"],"published":"2023-07-13T11:04:55Z","modified":"2026-06-17T05:43:40Z","products":[{"vendor":"honeywell","product":"c300"},{"vendor":"honeywell","product":"c300_firmware"}],"references":[{"url":"https://process.honeywell.com","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26597"},{"url":"https://github.com/advisories/GHSA-mxwr-w7j9-6428"}],"sources":{"cve":[{"id":"CVE-2023-26597","title":"Controller DOS on sending error response","description":"Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller. See Honeywell Security Notification for recommendations on upgrading and versioning. See Honeywell Security Notification for recommendations on upgrading and versioning. \n\n","status":"published","published":"2023-07-13T11:04:55.153Z","modified":"2025-03-05T18:50:22.725Z","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-400"],"updated_at":"2026-11-02T14:35:15.434947Z"}],"euvd":[{"id":"EUVD-2023-30392","description":"Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller. See Honeywell Security Notification for recommendations on upgrading and versioning. See Honeywell Security Notification for recommendations on upgrading and versioning. \n\n","status":"published","published":"2023-07-13T11:04:55Z","modified":"2025-03-05T18:50:22Z","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":"2026-11-02T20:53:13.319718Z"}],"ghsa":[{"id":"GHSA-mxwr-w7j9-6428","title":"Controller DoS due to buffer overflow in the handling of a specially crafted message received by...","description":"Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller.","status":"published","published":"2023-07-13T12:30:27Z","modified":"2024-04-04T06:07:11Z","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-400","CWE-787"],"updated_at":"2026-11-02T14:56:39.294815Z"}],"nvd":[{"id":"CVE-2023-26597","description":"Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller. See Honeywell Security Notification for recommendations on upgrading and versioning. See Honeywell Security Notification for recommendations on upgrading and versioning. \n\n","status":"published","published":"2023-07-13T12:15:09.253Z","modified":"2026-06-17T05:43:40.827Z","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":"secondary"},{"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":"primary"}],"cwes":["CWE-400","CWE-787"],"updated_at":"2026-11-02T14:08:15.91037Z"}]}}