{"cve":{"cve_id":"CVE-2023-38380","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00956,"epss_percentile":0.56798,"epss_as_of":"2026-06-23","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE (All versions < V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.3), SIMATIC CP 1543-1 (6GK7543-1AX00-0XE0) (All versions < V3.0.37), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.3), SINAMICS S210 (6SL5...) (All versions >= V6.1 < V6.1 HF2), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.3), SIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0) (All versions < V3.0.37). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.\r\n\r\nAn attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.","published_at":"2023-12-12T11:26:36.173000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","cvss_v3_severity":"HIGH","cvss_v4_score":8.7,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-401"],"nvd_references":["https://cert-portal.siemens.com/productcert/pdf/ssa-693975.pdf","https://cert-portal.siemens.com/productcert/html/ssa-693975.html","https://cert-portal.siemens.com/productcert/html/ssa-139628.html","https://cert-portal.siemens.com/productcert/html/ssa-625862.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:20:23.750532Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"},{"metric":"E","name":"E","value":"P","value_label":"Physical"},{"metric":"RL","name":"RL","value":"O","value_label":"O"},{"metric":"RC","name":"RC","value":"C","value_label":"Changed"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1242-7-v2-incl.-siplus-variants","product_name":"SIMATIC CP 1242-7 V2 (incl. SIPLUS variants)","version_start":"0","version_start_inclusive":true,"version_end":"V3.4.29","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1242-7-v2-incl.-siplus-variants:0:V3.4.29"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1243-1-dnp3-incl.-siplus-variants","product_name":"SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants)","version_start":"0","version_start_inclusive":true,"version_end":"*","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1243-1-dnp3-incl.-siplus-variants:0:*"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1243-1-iec-incl.-siplus-variants","product_name":"SIMATIC CP 1243-1 IEC (incl. SIPLUS variants)","version_start":"0","version_start_inclusive":true,"version_end":"V3.4.29","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1243-1-iec-incl.-siplus-variants:0:V3.4.29"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1243-1-incl.-siplus-variants","product_name":"SIMATIC CP 1243-1 (incl. SIPLUS variants)","version_start":"0","version_start_inclusive":true,"version_end":"V3.4.29","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1243-1-incl.-siplus-variants:0:V3.4.29"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1243-7-lte","product_name":"SIMATIC CP 1243-7 LTE","version_start":"0","version_start_inclusive":true,"version_end":"V3.4.29","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1243-7-lte:0:V3.4.29"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1243-8-irc","product_name":"SIMATIC CP 1243-8 IRC","version_start":"0","version_start_inclusive":true,"version_end":"V3.4.29","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1243-8-irc:0:V3.4.29"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1542sp-1","product_name":"SIMATIC CP 1542SP-1","version_start":"0","version_start_inclusive":true,"version_end":"V2.3","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1542sp-1:0:V2.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1542sp-1-irc","product_name":"SIMATIC CP 1542SP-1 IRC","version_start":"0","version_start_inclusive":true,"version_end":"V2.3","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1542sp-1-irc:0:V2.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1543-1","product_name":"SIMATIC CP 1543-1","version_start":"0","version_start_inclusive":true,"version_end":"V3.0.37","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1543-1:0:V3.0.37"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-cp-1543sp-1","product_name":"SIMATIC CP 1543SP-1","version_start":"0","version_start_inclusive":true,"version_end":"V2.3","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:simatic-cp-1543sp-1:0:V2.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"sinamics-s210-6sl5...","product_name":"SINAMICS S210 (6SL5...)","version_start":"V6.1","version_start_inclusive":true,"version_end":"V6.1 HF2","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:sinamics-s210-6sl5...:V6.1:V6.1 HF2"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"siplus-et-200sp-cp-1542sp-1-irc-tx-rail","product_name":"SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL","version_start":"0","version_start_inclusive":true,"version_end":"V2.3","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:siplus-et-200sp-cp-1542sp-1-irc-tx-rail:0:V2.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"siplus-et-200sp-cp-1543sp-1-isec","product_name":"SIPLUS ET 200SP CP 1543SP-1 ISEC","version_start":"0","version_start_inclusive":true,"version_end":"V2.3","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:siplus-et-200sp-cp-1543sp-1-isec:0:V2.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"siplus-et-200sp-cp-1543sp-1-isec-tx-rail","product_name":"SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL","version_start":"0","version_start_inclusive":true,"version_end":"V2.3","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:siplus-et-200sp-cp-1543sp-1-isec-tx-rail:0:V2.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"siplus-net-cp-1543-1","product_name":"SIPLUS NET CP 1543-1","version_start":"0","version_start_inclusive":true,"version_end":"V3.0.37","version_end_inclusive":false,"cpe23_uri":"cve5:siemens:siplus-net-cp-1543-1:0:V3.0.37"}],"exploit_refs":[],"news":[],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-693975.pdf","source_type":"MISC","tags":[]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-693975.html","source_type":"MISC","tags":[]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-139628.html","source_type":"MISC","tags":[]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-625862.html","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2023-12-12T11:26:36.173000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:29:20.288769Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:20.288769Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:20.288769Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:20.288769Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:20.288769Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:20.288769Z","label":"CVSS score revised","source":"cvelistv5"}]}