{"id":"CVE-2021-27396","aliases":["EUVD-2021-14151","GHSA-r8mp-h8qj-rxw2"],"status":"published","title":"A vulnerability has been identified in Tecnomatix Plant Simulation (All versions \u003c V16.0.5). The...","description":"A vulnerability has been identified in Tecnomatix Plant Simulation (All versions \u003c V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)","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":0.0145,"percentile":0.73588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2021-05-12T13:18:23Z","modified":"2026-06-17T03:44:46Z","products":[{"vendor":"siemens","product":"tecnomatix plant simulation"},{"vendor":"siemens","product":"tecnomatix_plant_simulation"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-983548.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-568/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27396"},{"url":"https://github.com/advisories/GHSA-r8mp-h8qj-rxw2"}],"sources":{"cve":[{"id":"CVE-2021-27396","description":"A vulnerability has been identified in Tecnomatix Plant Simulation (All versions \u003c V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)","status":"published","published":"2021-05-12T13:18:23Z","modified":"2024-08-03T20:48:16.848Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-14151","description":"A vulnerability has been identified in Tecnomatix Plant Simulation (All versions \u003c V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)","status":"published","published":"2021-05-12T13:18:23Z","modified":"2024-08-03T20:48:16Z","updated_at":"2026-11-03T03:24:49.368497Z"}],"ghsa":[{"id":"GHSA-r8mp-h8qj-rxw2","title":"A vulnerability has been identified in Tecnomatix Plant Simulation (All versions \u003c V16.0.5). The...","description":"A vulnerability has been identified in Tecnomatix Plant Simulation (All versions \u003c V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)","status":"published","published":"2022-05-24T19:02:14Z","modified":"2023-01-29T05:07:37Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:46:10.663769Z"}],"nvd":[{"id":"CVE-2021-27396","description":"A vulnerability has been identified in Tecnomatix Plant Simulation (All versions \u003c V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)","status":"published","published":"2021-05-12T14:15:11.81Z","modified":"2026-06-17T03:44:46.947Z","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"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}