{"cve":"CVE-2023-46156","nvd":{"published":"2023-12-12T12:15:13.417","modified":"2026-06-17T06:30:16.223","status":"Modified","description":"Affected devices improperly handle specially crafted packets sent to port 102/tcp.\r\nThis could allow an attacker to create a denial of service condition. A restart is needed to restore\r\nnormal operations.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-416"],"references":["https://cert-portal.siemens.com/productcert/html/ssa-280603.html","https://cert-portal.siemens.com/productcert/html/ssa-592380.html","https://cert-portal.siemens.com/productcert/pdf/ssa-280603.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-592380.pdf","https://cert-portal.siemens.com/productcert/html/ssa-280603.html"],"products":["siemens:simatic_drive_controller_cpu_1504d_tf_firmware","siemens:simatic_drive_controller_cpu_1507d_tf_firmware","siemens:simatic_et_200sp_open_control_1515sp_pc2_firmware","siemens:simatic_s7-1500_cpu_1510sp-1_pn_firmware","siemens:simatic_s7-1500_cpu_1510sp_f-1_pn_firmware","siemens:simatic_s7-1500_cpu_1511-1_pn_firmware","siemens:simatic_s7-1500_cpu_1511c-1_pn_firmware","siemens:simatic_s7-1500_cpu_1511f-1_pn_firmware","siemens:simatic_s7-1500_cpu_1511t-1_pn_firmware","siemens:simatic_s7-1500_cpu_1511tf-1_pn_firmware","siemens:simatic_s7-1500_cpu_1512c-1_pn_firmware","siemens:simatic_s7-1500_cpu_1512sp-1_pn_firmware","siemens:simatic_s7-1500_cpu_1512sp_f-1_pn_firmware","siemens:simatic_s7-1500_cpu_1513-1_pn_firmware","siemens:simatic_s7-1500_cpu_1513f-1_pn_firmware","siemens:simatic_s7-1500_cpu_1513r-1_pn_firmware","siemens:simatic_s7-1500_cpu_1514sp-2_pn_firmware","siemens:simatic_s7-1500_cpu_1514sp_f-2_pn_firmware","siemens:simatic_s7-1500_cpu_1514spt-2_pn_firmware","siemens:simatic_s7-1500_cpu_1514spt_f-2_pn_firmware","siemens:simatic_s7-1500_cpu_1515-2_pn_firmware","siemens:simatic_s7-1500_cpu_1515f-2_pn_firmware","siemens:simatic_s7-1500_cpu_1515r-2_pn_firmware","siemens:simatic_s7-1500_cpu_1515t-2_pn_firmware","siemens:simatic_s7-1500_cpu_1515tf-2_pn_firmware","siemens:simatic_s7-1500_cpu_1516-3_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1516f-3_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1516t-3_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1517-3_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1517f-3_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1517h-3_pn_firmware","siemens:simatic_s7-1500_cpu_1517t-3_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1517tf-3_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1518-4_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1518f-4_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1518hf-4_pn_firmware","siemens:simatic_s7-1500_cpu_1518t-4_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_1518tf-4_pn\\/dp_firmware","siemens:simatic_s7-1500_cpu_s7-1518-4_pn\\/dp_odk_firmware","siemens:simatic_s7-1500_cpu_s7-1518f-4_pn\\/dp_odk_firmware","siemens:simatic_s7-1500_et_200pro\\","siemens:simatic_s7-1500_software_controller_firmware","siemens:simatic_s7-plcsim_advanced_firmware","siemens:sinumerik_mc_firmware","siemens:sinumerik_one_firmware","siemens:siplus_et_200sp_1512sp_f-1_pn_firmware","siemens:siplus_et_200sp_cpu_1510sp-1_pn_firmware","siemens:siplus_et_200sp_cpu_1510sp-1_pn_rail_firmware","siemens:siplus_et_200sp_cpu_1510sp_f-1_pn_firmware","siemens:siplus_et_200sp_cpu_1510sp_f-1_pn_rail_firmware"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-46156","score":0.01244,"percentile":0.69276,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}