{"id":"CVE-2023-22357","aliases":["EUVD-2023-26520","GHSA-rjg6-q2fh-x6mj"],"status":"published","title":"Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is...","description":"Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01218,"percentile":0.69006,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-489"],"published":"2023-01-17T00:00:00Z","modified":"2026-06-17T05:35:09Z","products":[{"vendor":"omron","product":"cp1l-el20dr-d_firmware"},{"vendor":"omron corporation","product":"cp1l-el20dr-d"}],"references":[{"url":"https://jvn.jp/en/vu/JVNVU97575890/index.html","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22357"},{"url":"https://github.com/advisories/GHSA-rjg6-q2fh-x6mj"}],"sources":{"cve":[{"id":"CVE-2023-22357","description":"Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.","status":"published","published":"2023-01-17T00:00:00Z","modified":"2025-04-04T17:42:19.921Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-489"],"updated_at":"2026-11-02T14:35:15.779187Z"}],"euvd":[{"id":"EUVD-2023-26520","description":"Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.","status":"published","published":"2023-01-17T00:00:00Z","modified":"2025-04-04T17:42:19Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:52:42.420681Z"}],"ghsa":[{"id":"GHSA-rjg6-q2fh-x6mj","title":"Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is...","description":"Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.","status":"published","published":"2023-01-17T12:30:32Z","modified":"2025-04-04T18:30:27Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-489"],"updated_at":"2026-11-02T15:00:48.250813Z"}],"nvd":[{"id":"CVE-2023-22357","description":"Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.","status":"published","published":"2023-01-17T10:15:11.887Z","modified":"2026-06-17T05:35:09.61Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-489"],"updated_at":"2026-11-02T14:07:45.305824Z"}]}}