{"id":"CVE-2023-37550","aliases":["EUVD-2023-41436","GHSA-pm6q-8q3x-7pcp"],"status":"published","title":"CODESYS: Improper Input Validation in CmpApp component","description":"In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and CVE-2023-37549.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00626,"percentile":0.50365,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-08-03T11:03:09Z","modified":"2026-06-17T06:08:26Z","products":[{"vendor":"codesys","product":"codesys control for beaglebone sl"},{"vendor":"codesys","product":"codesys control for empc-a/imx6 sl"},{"vendor":"codesys","product":"codesys control for iot2000 sl"},{"vendor":"codesys","product":"codesys control for linux sl"},{"vendor":"codesys","product":"codesys control for pfc100 sl"},{"vendor":"codesys","product":"codesys control for pfc200 sl"},{"vendor":"codesys","product":"codesys control for plcnext sl"},{"vendor":"codesys","product":"codesys control for raspberry pi sl"},{"vendor":"codesys","product":"codesys control for wago touch panels 600 sl"},{"vendor":"codesys","product":"codesys control rte (for beckhoff cx) sl"},{"vendor":"codesys","product":"codesys control rte (sl)"},{"vendor":"codesys","product":"codesys control runtime system toolkit"},{"vendor":"codesys","product":"codesys control win (sl)"},{"vendor":"codesys","product":"codesys development system v3"},{"vendor":"codesys","product":"codesys hmi (sl)"},{"vendor":"codesys","product":"codesys safety sil2 runtime toolkit"},{"vendor":"codesys","product":"control_for_beaglebone_sl"},{"vendor":"codesys","product":"control_for_empc-a\\/imx6_sl"},{"vendor":"codesys","product":"control_for_iot2000_sl"},{"vendor":"codesys","product":"control_for_linux_sl"},{"vendor":"codesys","product":"control_for_pfc100_sl"},{"vendor":"codesys","product":"control_for_pfc200_sl"},{"vendor":"codesys","product":"control_for_plcnext_sl"},{"vendor":"codesys","product":"control_for_raspberry_pi_sl"},{"vendor":"codesys","product":"control_for_wago_touch_panels_600_sl"},{"vendor":"codesys","product":"control_rte_sl"},{"vendor":"codesys","product":"control_rte_sl_\\(for_beckhoff_cx\\)"},{"vendor":"codesys","product":"control_runtime_system_toolkit"},{"vendor":"codesys","product":"control_win_sl"},{"vendor":"codesys","product":"development_system"},{"vendor":"codesys","product":"hmi"},{"vendor":"codesys","product":"safety_sil2"}],"references":[{"url":"https://cert.vde.com/en/advisories/VDE-2023-019","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37550"},{"url":"https://github.com/advisories/GHSA-pm6q-8q3x-7pcp"}],"sources":{"cve":[{"id":"CVE-2023-37550","title":"CODESYS: Improper Input Validation in CmpApp component","description":"In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and CVE-2023-37549.\n\n","status":"published","published":"2023-08-03T11:03:09.222Z","modified":"2024-10-11T18:11:18.756Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:16.126506Z"}],"euvd":[{"id":"EUVD-2023-41436","description":"In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and CVE-2023-37549.\n\n","status":"published","published":"2023-08-03T11:03:09Z","modified":"2024-10-11T18:11:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:27:38.618953Z"}],"ghsa":[{"id":"GHSA-pm6q-8q3x-7pcp","title":"In multiple Codesys products in multiple versions, after successful authentication as a user,...","description":"In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and CVE-2023-37549.\n\n","status":"published","published":"2023-08-03T12:31:52Z","modified":"2024-04-04T06:31:09Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:56:43.202556Z"}],"nvd":[{"id":"CVE-2023-37550","description":"In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and CVE-2023-37549.\n\n","status":"published","published":"2023-08-03T12:15:10.17Z","modified":"2026-06-17T06:08:26.137Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:08:20.798312Z"}]}}