{"id":"CVE-2022-32140","aliases":["EUVD-2022-53381","GHSA-383r-p8gw-prwq"],"status":"published","title":"CODESYS runtime system prone to denial of service due to buffer copy","description":"Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.","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":"2026-11-11","score":0.01065,"percentile":0.65123,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2022-06-24T07:46:25Z","modified":"2026-06-17T04:46:44Z","products":[{"vendor":"codesys","product":"plcwinnt"},{"vendor":"codesys","product":"runtime toolkit"},{"vendor":"codesys","product":"runtime_toolkit"}],"references":[{"url":"https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download=","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-32140"},{"url":"https://github.com/advisories/GHSA-383r-p8gw-prwq"}],"sources":{"cve":[{"id":"CVE-2022-32140","title":"CODESYS runtime system prone to denial of service due to buffer copy","description":"Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.","status":"published","published":"2022-06-24T07:46:25.218Z","modified":"2024-09-16T19:35:27.161Z","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-120"],"updated_at":"2026-11-02T14:34:36.917505Z"}],"euvd":[{"id":"EUVD-2022-53381","description":"Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.","status":"published","published":"2022-06-24T07:46:25Z","modified":"2024-09-16T19:35:27Z","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":"2026-11-03T00:55:21.946733Z"}],"ghsa":[{"id":"GHSA-383r-p8gw-prwq","title":"Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may...","description":"Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.","status":"published","published":"2022-06-25T00:01:01Z","modified":"2023-01-27T05:05:02Z","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-120"],"updated_at":"2026-11-02T14:42:36.711116Z"}],"nvd":[{"id":"CVE-2022-32140","description":"Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.","status":"published","published":"2022-06-24T08:15:07.967Z","modified":"2026-06-17T04:46:44.987Z","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"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:22.613788Z"}]}}