{"id":"CVE-2020-25234","aliases":["EUVD-2020-17924","GHSA-66q5-93c3-xq5w"],"status":"published","title":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3),...","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3), LOGO! Soft Comfort (All versions \u003c V8.3). The LOGO! program files generated and used by the affected components offer the possibility to save user-defined functions (UDF) in a password protected way. This protection is implemented in the software that displays the information. An attacker could reverse engineer the UDFs directly from stored program files.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00318,"percentile":0.25012,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-321"],"published":"2020-12-14T21:05:19Z","modified":"2026-06-17T03:06:37Z","products":[{"vendor":"siemens","product":"logo! 8 bm (incl. siplus variants)"},{"vendor":"siemens","product":"logo! soft comfort"},{"vendor":"siemens","product":"logo\\!_8_bm_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25234"},{"url":"https://github.com/advisories/GHSA-66q5-93c3-xq5w"}],"sources":{"cve":[{"id":"CVE-2020-25234","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3), LOGO! Soft Comfort (All versions \u003c V8.3). The LOGO! program files generated and used by the affected components offer the possibility to save user-defined functions (UDF) in a password protected way. This protection is implemented in the software that displays the information. An attacker could reverse engineer the UDFs directly from stored program files.","status":"published","published":"2020-12-14T21:05:19Z","modified":"2024-08-04T15:33:05.332Z","cwes":["CWE-321"],"updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-17924","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3), LOGO! Soft Comfort (All versions \u003c V8.3). The LOGO! program files generated and used by the affected components offer the possibility to save user-defined functions (UDF) in a password protected way. This protection is implemented in the software that displays the information. An attacker could reverse engineer the UDFs directly from stored program files.","status":"published","published":"2020-12-14T21:05:19Z","modified":"2024-08-04T15:33:05Z","updated_at":"2026-11-03T03:07:18.192905Z"}],"ghsa":[{"id":"GHSA-66q5-93c3-xq5w","title":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3),...","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3), LOGO! Soft Comfort (All versions \u003c V8.3). The LOGO! program files generated and used by the affected components offer the possibility to save user-defined functions (UDF) in a password protected way. This protection is implemented in the software that displays the information. An attacker could reverse engineer the UDFs directly from stored program files.","status":"published","published":"2022-05-24T17:36:18Z","modified":"2023-01-29T05:05:00Z","cwes":["CWE-321"],"updated_at":"2026-11-02T14:45:41.213171Z"}],"nvd":[{"id":"CVE-2020-25234","description":"A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3), LOGO! Soft Comfort (All versions \u003c V8.3). The LOGO! program files generated and used by the affected components offer the possibility to save user-defined functions (UDF) in a password protected way. This protection is implemented in the software that displays the information. An attacker could reverse engineer the UDFs directly from stored program files.","status":"published","published":"2020-12-14T21:15:20.13Z","modified":"2026-06-17T03:06:37.963Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-321"],"updated_at":"2026-11-02T14:06:27.73474Z"}]}}