{"id":"CVE-2020-7593","aliases":["EUVD-2020-28718","GHSA-x26m-wcf2-85xw"],"status":"published","title":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03),...","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.01), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.02). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.08723,"percentile":0.95179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-07-14T13:18:05Z","modified":"2026-06-17T03:25:05Z","products":[{"vendor":"siemens","product":"logo! 8 bm (incl. siplus variants)"},{"vendor":"siemens","product":"logo\\!_8_bm_firmware"},{"vendor":"siemens ag","product":"logo! 8 bm (incl. siplus variants)"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-573753.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1069","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7593"},{"url":"https://github.com/advisories/GHSA-x26m-wcf2-85xw"}],"sources":{"cve":[{"id":"CVE-2020-7593","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.01), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.02). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution.","status":"published","published":"2020-07-14T13:18:05Z","modified":"2024-08-04T09:33:19.945Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2020-28718","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.01), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.02). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution.","status":"published","published":"2020-07-14T13:18:05Z","modified":"2024-08-04T09:33:19Z","updated_at":"2026-11-03T03:07:59.058668Z"}],"ghsa":[{"id":"GHSA-x26m-wcf2-85xw","title":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03),...","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.01), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.02). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution.","status":"published","published":"2022-05-24T17:22:55Z","modified":"2023-01-29T05:03:22Z","updated_at":"2026-11-02T14:45:18.510464Z"}],"nvd":[{"id":"CVE-2020-7593","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.01), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.02). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution.","status":"published","published":"2020-07-14T14:15:19.15Z","modified":"2026-06-17T03:25:05.04Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:09.126752Z"}]}}