{"id":"CVE-2021-38406","aliases":["EUVD-2021-24858","GHSA-j3xh-c39x-qghw"],"status":"published","title":"Delta Electronics DOPSoft 2 Out-of-Bounds Write","description":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.76428,"percentile":0.99546,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-09-17T18:54:29Z","modified":"2026-06-17T04:02:02Z","kev":{"date_added":"2022-08-25","due_date":"2022-09-15","required_action":"The impacted product is end-of-life and should be disconnected if still in use.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-08-25"},{"source":"kev","since":"2022-08-25"}],"products":[{"vendor":"delta electronics","product":"dopsoft 2"},{"vendor":"deltaww","product":"dopsoft"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38406"},{"url":"https://github.com/advisories/GHSA-j3xh-c39x-qghw"}],"sources":{"cve":[{"id":"CVE-2021-38406","title":"Delta Electronics DOPSoft 2 Out-of-Bounds Write","description":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-09-17T18:54:29.386Z","modified":"2025-10-21T23:25:32.113Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24858","description":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-09-17T18:54:29Z","modified":"2025-10-21T23:25:32Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-08-25","updated_at":"2026-11-02T20:31:25.901288Z"}],"ghsa":[{"id":"GHSA-j3xh-c39x-qghw","title":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied...","description":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2022-05-24T19:14:55Z","modified":"2025-10-22T00:32:22Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:04:05.344883Z"}],"kev":[{"id":"CVE-2021-38406","title":"Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability","description":"Delta Electronics DOPSoft 2 lacks proper validation of user-supplied data when parsing specific project files (improper input validation) resulting in an out-of-bounds write that allows for code execution.","cwes":["CWE-787"],"kev":{"date_added":"2022-08-25","due_date":"2022-09-15","required_action":"The impacted product is end-of-life and should be disconnected if still in use.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2021-38406","description":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-09-17T19:15:08.71Z","modified":"2026-06-17T04:02:02.373Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}