{"id":"CVE-2021-23157","aliases":["EUVD-2021-10269","GHSA-mv25-j7gj-c8p5"],"status":"published","title":"WECON LeviStudioU","description":"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.","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":0.07613,"percentile":0.94628,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2022-01-14T19:10:40Z","modified":"2026-06-17T03:38:21Z","products":[{"vendor":"we-con","product":"levistudiou"},{"vendor":"wecon","product":"levistudiou"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-130/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-132/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23157"},{"url":"https://github.com/advisories/GHSA-mv25-j7gj-c8p5"}],"sources":{"cve":[{"id":"CVE-2021-23157","title":"WECON LeviStudioU","description":"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.","status":"published","published":"2022-01-14T19:10:40.173Z","modified":"2025-04-16T18:02:12.385Z","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-122"],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-10269","description":"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.","status":"published","published":"2022-01-14T19:10:40Z","modified":"2025-04-16T18:02:12Z","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":"2026-11-02T20:52:22.523469Z"}],"ghsa":[{"id":"GHSA-mv25-j7gj-c8p5","title":"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow,...","description":"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.","status":"published","published":"2022-01-15T00:01:32Z","modified":"2023-02-03T05:04:51Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:38.162905Z"}],"nvd":[{"id":"CVE-2021-23157","description":"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.","status":"published","published":"2022-01-14T20:15:10.033Z","modified":"2026-06-17T03:38:21.227Z","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-122","CWE-787"],"updated_at":"2026-11-02T14:07:03.821385Z"}]}}