{"id":"CVE-2026-79625","aliases":["EUVD-2026-89729","GHSA-crvr-hhmx-9hp6"],"status":"published","title":"Improper Synchronization in Monitoring in CODESYS Control Runtime","description":"Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.","severity":{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00229,"percentile":0.13858,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2026-09-30T09:23:16Z","modified":"2026-09-30T19:57:08Z","products":[{"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 arm 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 (for beckhoff cx) sl"},{"vendor":"codesys","product":"control rte (sl)"},{"vendor":"codesys","product":"control win (sl)"},{"vendor":"codesys","product":"development system 3"},{"vendor":"codesys","product":"hmi (sl)"},{"vendor":"codesys","product":"runtime toolkit"},{"vendor":"codesys","product":"safety sil2"},{"vendor":"codesys","product":"virtual control sl"}],"references":[{"url":"https://www.certvde.com/en/advisories/VDE-2026-097/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79625"},{"url":"https://www.certvde.com/en/advisories/VDE-2026-097"},{"url":"https://github.com/advisories/GHSA-crvr-hhmx-9hp6"}],"sources":{"cve":[{"id":"CVE-2026-79625","title":"Improper Synchronization in Monitoring in CODESYS Control Runtime","description":"Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.","status":"published","published":"2026-09-30T09:23:16.775Z","modified":"2026-09-30T13:49:14.992Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T13:50:38.739766Z"}],"euvd":[{"id":"EUVD-2026-89729","description":"Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.","status":"published","published":"2026-09-30T09:23:16Z","modified":"2026-09-30T13:49:14Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:49.499669Z"}],"ghsa":[{"id":"GHSA-crvr-hhmx-9hp6","title":"Affected products do not properly synchronize access to their monitoring functionality. When...","description":"Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.","status":"published","published":"2026-09-30T12:35:15Z","modified":"2026-09-30T12:35:15Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:12:35.884172Z"}],"nvd":[{"id":"CVE-2026-79625","description":"Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.","status":"published","published":"2026-09-30T10:17:17.273Z","modified":"2026-09-30T19:57:08.043Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:12:52.759595Z"}]}}