{"id":"CVE-2024-8938","aliases":["EUVD-2024-49496","GHSA-fv43-v7vc-rjjf"],"status":"published","title":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability...","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could\ncause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a\ncrafted Modbus function call to tamper with memory area involved in memory size computation.","severity":{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00532,"percentile":0.45243,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2024-11-13T04:20:19Z","modified":"2026-06-17T08:23:35Z","products":[{"vendor":"schneider electric","product":"modicon m340 cpu (part numbers bmxp34*)"},{"vendor":"schneider electric","product":"modicon mc80 (part numbers bmkc80)"},{"vendor":"schneider electric","product":"modicon momentum unity m1e processor (171cbu*)"},{"vendor":"schneider-electric","product":"modicon_m340"},{"vendor":"schneider-electric","product":"modicon_mc80"},{"vendor":"schneider-electric","product":"modicon_momentum_unity_m1e_processor"}],"references":[{"url":"https://download.schneider-electric.com/doc/SEVD-2024-317-03/SEVD-2024-317-03.pdf"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-8938"},{"url":"https://github.com/advisories/GHSA-fv43-v7vc-rjjf"}],"sources":{"cve":[{"id":"CVE-2024-8938","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could\ncause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a\ncrafted Modbus function call to tamper with memory area involved in memory size computation.","status":"published","published":"2024-11-13T04:20:19.875Z","modified":"2024-11-13T15:26:23.491Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:34:09.216761Z"}],"euvd":[{"id":"EUVD-2024-49496","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could\ncause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a\ncrafted Modbus function call to tamper with memory area involved in memory size computation.","status":"published","published":"2024-11-13T04:20:19Z","modified":"2024-11-13T15:26:23Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-03T00:05:02.514936Z"}],"ghsa":[{"id":"GHSA-fv43-v7vc-rjjf","title":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability...","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could\ncause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a\ncrafted Modbus function call to tamper with memory area involved in memory size computation.","status":"published","published":"2024-11-13T06:30:29Z","modified":"2024-11-13T06:30:35Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/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":"critical"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:58:49.226785Z"}],"nvd":[{"id":"CVE-2024-8938","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could\ncause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a\ncrafted Modbus function call to tamper with memory area involved in memory size computation.","status":"published","published":"2024-11-13T05:15:25.727Z","modified":"2026-06-17T08:23:35.573Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/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":"critical","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:10:36.931115Z"}]}}