{"id":"CVE-2021-38409","aliases":["EUVD-2021-24861","GHSA-fj3g-r3pf-r284"],"status":"published","title":"Fuji Electric Tellus Lite V-Simulator uninitialized pointer","description":"Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an access of uninitialized pointer, which may allow an attacker read from or write to unexpected memory locations, leading to a denial-of-service.","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":"2026-11-09","score":0.00733,"percentile":0.54638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-824"],"published":"2021-12-20T20:08:46Z","modified":"2026-06-17T04:02:02Z","products":[{"vendor":"fuji electric","product":"tellus lite v-simulator"},{"vendor":"fuji electric","product":"v-server lite"},{"vendor":"fuji electric co., ltd. and hakko electronics co., ltd.","product":"v-server lite"},{"vendor":"fujielectric","product":"v-server"},{"vendor":"fujielectric","product":"v-simulator"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-299-01","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38409"},{"url":"https://github.com/advisories/GHSA-fj3g-r3pf-r284"}],"sources":{"cve":[{"id":"CVE-2021-38409","title":"Fuji Electric Tellus Lite V-Simulator uninitialized pointer","description":"Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an access of uninitialized pointer, which may allow an attacker read from or write to unexpected memory locations, leading to a denial-of-service.","status":"published","published":"2021-12-20T20:08:46Z","modified":"2024-08-04T01:37:16.652Z","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-824"],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-24861","description":"Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an access of uninitialized pointer, which may allow an attacker read from or write to unexpected memory locations, leading to a denial-of-service.","status":"published","published":"2021-12-20T20:08:46Z","modified":"2024-08-04T01:37:16Z","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"}],"updated_at":"2026-11-03T03:24:25.244479Z"}],"ghsa":[{"id":"GHSA-fj3g-r3pf-r284","title":"Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an...","description":"Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an access of uninitialized pointer, which may allow an attacker read from or write to unexpected memory locations, leading to a denial-of-service.","status":"published","published":"2021-12-21T00:00:36Z","modified":"2023-02-01T05:07:12Z","cwes":["CWE-824"],"updated_at":"2026-11-02T14:50:30.001937Z"}],"nvd":[{"id":"CVE-2021-38409","description":"Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an access of uninitialized pointer, which may allow an attacker read from or write to unexpected memory locations, leading to a denial-of-service.","status":"published","published":"2021-12-20T21:15:08.383Z","modified":"2026-06-17T04:02:02.713Z","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-824"],"updated_at":"2026-11-02T14:07:02.566991Z"}]}}