{"id":"CVE-2017-14023","aliases":["EUVD-2017-5538","GHSA-wjw3-c5fg-gcm9"],"status":"published","title":"An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1...","description":"An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03675,"percentile":0.89743,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2017-11-06T22:00:00Z","modified":"2026-06-17T01:05:27Z","products":[{"vendor":"siemens","product":"simatic_pcs7"},{"vendor":"siemens","product":"simatic_wincc"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securitytracker.com/id/1039729","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/101680","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-14023"},{"url":"https://github.com/advisories/GHSA-wjw3-c5fg-gcm9"}],"sources":{"cve":[{"id":"CVE-2017-14023","description":"An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.","status":"published","published":"2017-11-06T22:00:00Z","modified":"2024-08-05T19:13:41.63Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:12.267141Z"}],"euvd":[{"id":"EUVD-2017-5538","description":"An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.","status":"published","published":"2017-11-06T22:00:00Z","modified":"2024-08-05T19:13:41Z","updated_at":"2026-11-03T02:23:18.22325Z"}],"ghsa":[{"id":"GHSA-wjw3-c5fg-gcm9","title":"An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1...","description":"An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.","status":"published","published":"2022-05-13T01:05:15Z","modified":"2023-02-01T05:02:47Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:58.498747Z"}],"nvd":[{"id":"CVE-2017-14023","description":"An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.","status":"published","published":"2017-11-06T22:29:00.27Z","modified":"2026-06-17T01:05:27.54Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:08.01771Z"}]}}