{"id":"CVE-2022-30792","aliases":["EUVD-2022-52615","GHSA-mr6x-v529-vfj8"],"status":"published","title":"CODESYS: CmpChannelServer, CmpChannelServerEmbedded allow unauthenticated attackers to block all their available communication channels","description":"In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.","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":"2026-11-09","score":0.00916,"percentile":0.60429,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2022-07-11T10:40:43Z","modified":"2026-06-17T04:44:18Z","products":[{"vendor":"codesys","product":"codesys control for beaglebone sl"},{"vendor":"codesys","product":"codesys control for beckhoff cx9020 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 edge gateway for linux"},{"vendor":"codesys","product":"codesys edge gateway for windows"},{"vendor":"codesys","product":"codesys embedded target visu toolkit"},{"vendor":"codesys","product":"codesys gateway"},{"vendor":"codesys","product":"codesys hmi (sl)"},{"vendor":"codesys","product":"codesys remote target visu toolkit"},{"vendor":"codesys","product":"control_for_beaglebone"},{"vendor":"codesys","product":"control_for_empc-a\\/imx6"},{"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"},{"vendor":"codesys","product":"control_for_raspberry_pi_sl"},{"vendor":"codesys","product":"control_for_wago_touch_panels_600"},{"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"},{"vendor":"codesys","product":"development_system"},{"vendor":"codesys","product":"edge_gateway"},{"vendor":"codesys","product":"embedded_target_visu_toolkit"},{"vendor":"codesys","product":"gateway"},{"vendor":"codesys","product":"hmi"},{"vendor":"codesys","product":"remote_target_visu_toolkit"}],"references":[{"url":"https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17128\u0026token=bee4d8a57f19be289d623ec90135493b5f9179e3\u0026download=","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-30792"},{"url":"https://github.com/advisories/GHSA-mr6x-v529-vfj8"}],"sources":{"cve":[{"id":"CVE-2022-30792","title":"CODESYS: CmpChannelServer, CmpChannelServerEmbedded allow unauthenticated attackers to block all their available communication channels","description":"In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.","status":"published","published":"2022-07-11T10:40:43.935Z","modified":"2024-09-16T23:05:31.037Z","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":"2026-11-02T14:34:31.184134Z"}],"euvd":[{"id":"EUVD-2022-52615","description":"In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.","status":"published","published":"2022-07-11T10:40:43Z","modified":"2024-09-16T23:05:31Z","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":"2026-11-03T00:54:57.254208Z"}],"ghsa":[{"id":"GHSA-mr6x-v529-vfj8","title":"In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption...","description":"In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.","status":"published","published":"2022-07-12T00:00:57Z","modified":"2023-01-27T05:05:27Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:42:41.939038Z"}],"nvd":[{"id":"CVE-2022-30792","description":"In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.","status":"published","published":"2022-07-11T11:15:08.24Z","modified":"2026-06-17T04:44:18.923Z","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":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:07:23.322724Z"}]}}