{"cve":"CVE-2022-47374","nvd":{"published":"2023-12-12T12:15:10.563","modified":"2026-06-17T05:13:26.603","status":"Modified","description":"A vulnerability has been identified in SIMATIC PC-Station Plus (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions), SINAMICS S120 (incl. SIPLUS variants) (All versions < V5.2 SP3 HF15), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions). The affected products do not handle HTTP(S) requests to the web server correctly.\r\n\r\nThis could allow an attacker to exhaust system resources and create a denial of service condition for the device.","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-674"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdf"],"products":["siemens:6ag1414-3em07-7ab0_firmware","siemens:6ag1416-3es07-7ab0_firmware","siemens:6es7412-2ek07-0ab0_firmware","siemens:6es7414-3em07-0ab0_firmware","siemens:6es7414-3fm07-0ab0_firmware","siemens:6es7416-3es07-0ab0_firmware","siemens:6es7416-3fs07-0ab0_firmware","siemens:simatic_pc-station_plus_firmware","siemens:sinamics_s120_firmware"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2022-47374","score":0.0072,"percentile":0.53936,"date":"2026-11-01"},"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."]}