{"id":"CVE-2021-22637","aliases":["EUVD-2021-9773","GHSA-5crv-9pfw-2jvp"],"status":"published","title":"Multiple stack-based buffer overflow issues have been identified in the way the application...","description":"Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).","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":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02235,"percentile":0.82934,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2021-01-27T19:09:49Z","modified":"2026-06-17T03:37:27Z","products":[{"vendor":"fujielectric","product":"v-server"},{"vendor":"fujielectric","product":"v-simulator"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-026-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-097/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22637"},{"url":"https://github.com/advisories/GHSA-5crv-9pfw-2jvp"}],"sources":{"cve":[{"id":"CVE-2021-22637","description":"Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).","status":"published","published":"2021-01-27T19:09:49Z","modified":"2024-08-03T18:44:14.149Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-9773","description":"Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).","status":"published","published":"2021-01-27T19:09:49Z","modified":"2024-08-03T18:44:14Z","updated_at":"2026-11-03T03:25:02.042856Z"}],"ghsa":[{"id":"GHSA-5crv-9pfw-2jvp","title":"Multiple stack-based buffer overflow issues have been identified in the way the application...","description":"Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).","status":"published","published":"2022-05-24T17:40:27Z","modified":"2023-01-29T05:06:16Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:59.056416Z"}],"nvd":[{"id":"CVE-2021-22637","description":"Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).","status":"published","published":"2021-01-27T20:15:12.77Z","modified":"2026-06-17T03:37:27.74Z","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":"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-121","CWE-787"],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}