{"id":"CVE-2016-9154","aliases":["EUVD-2016-9971","GHSA-8979-mhqq-p899"],"status":"published","title":"Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers...","description":"Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions \u003c V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions \u003c V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01499,"percentile":0.74412,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-332"],"published":"2016-12-23T05:00:00Z","modified":"2026-06-17T00:55:35Z","products":[{"vendor":"siemens","product":"desigo_web_module_pxa30-w0_firmware"},{"vendor":"siemens","product":"desigo_web_module_pxa30-w1_firmware"},{"vendor":"siemens","product":"desigo_web_module_pxa30-w2_firmware"},{"vendor":"siemens","product":"desigo_web_module_pxa40-w0_firmware"},{"vendor":"siemens","product":"desigo_web_module_pxa40-w1_firmware"},{"vendor":"siemens","product":"desigo_web_module_pxa40-w2_firmware"}],"references":[{"url":"http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856492.pdf","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/94962","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-355-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9154"},{"url":"https://github.com/advisories/GHSA-8979-mhqq-p899"}],"sources":{"cve":[{"id":"CVE-2016-9154","description":"Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions \u003c V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions \u003c V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.","status":"published","published":"2016-12-23T05:00:00Z","modified":"2024-08-06T02:42:11.004Z","cwes":["CWE-332"],"updated_at":"2026-11-02T14:33:32.103757Z"}],"euvd":[{"id":"EUVD-2016-9971","description":"Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions \u003c V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions \u003c V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.","status":"published","published":"2016-12-23T05:00:00Z","modified":"2024-08-06T02:42:11Z","updated_at":"2026-11-03T02:22:27.654814Z"}],"ghsa":[{"id":"GHSA-8979-mhqq-p899","title":"Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers...","description":"Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions \u003c V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions \u003c V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.","status":"published","published":"2022-05-13T01:38:34Z","modified":"2023-02-01T05:08:53Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T14:50:53.268012Z"}],"nvd":[{"id":"CVE-2016-9154","description":"Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions \u003c V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions \u003c V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.","status":"published","published":"2016-12-23T05:59:00.593Z","modified":"2026-06-17T00:55:35.973Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T14:03:32.79141Z"}]}}