{"cve":"CVE-2019-10923","nvd":{"published":"2019-10-10T14:15:14.503","modified":"2026-06-17T02:11:54.867","status":"Modified","description":"An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.","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-400"],"references":["https://cert-portal.siemens.com/productcert/html/ssa-349422.html","https://cert-portal.siemens.com/productcert/pdf/ssa-349422.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-349422.pdf"],"products":["siemens:cp1604_firmware","siemens:cp1616_firmware","siemens:dk_standard_ethernet_controller_firmware","siemens:ek-ertec_200_firmware","siemens:ek-ertec_200p_firmware","siemens:scalance_x-200irt_firmware","siemens:simatic_et_200ecopn_firmware","siemens:simatic_et_200m_firmware","siemens:simatic_et_200s_firmware","siemens:simatic_pn\\/pn_coupler_6es7158-3ad01-0xa0_firmware","siemens:simatic_s7-300_cpu_312_ifm_firmware","siemens:simatic_s7-300_cpu_313_firmware","siemens:simatic_s7-300_cpu_314_firmware","siemens:simatic_s7-300_cpu_314_ifm_firmware","siemens:simatic_s7-300_cpu_315-2_dp_firmware","siemens:simatic_s7-300_cpu_315_firmware","siemens:simatic_s7-300_cpu_316-2_dp_firmware","siemens:simatic_s7-300_cpu_318-2_firmware","siemens:simatic_s7-300_cpu_firmware","siemens:simatic_s7-400_dp_v7_firmware","siemens:simatic_s7-400_pn_v7_firmware","siemens:simatic_s7-400_v6_firmware","siemens:simatic_winac_rtx_\\(f\\)_firmware","siemens:simotion_firmware","siemens:sinamics_dcm_firmware","siemens:sinamics_dcp_firmware","siemens:sinamics_g110m_firmware","siemens:sinamics_g120_firmware","siemens:sinamics_g130_firmware","siemens:sinamics_g150_firmware","siemens:sinamics_gh150_firmware","siemens:sinamics_gl150_firmware","siemens:sinamics_gm150_firmware","siemens:sinamics_s110_firmware","siemens:sinamics_s120_firmware","siemens:sinamics_s150_firmware","siemens:sinamics_sl150_firmware","siemens:sinamics_sm120_firmware","siemens:sinumerik_828d","siemens:sinumerik_840d_sl"],"source":"nvd","synced_at":"2026-10-19T20:59:10.855360465+00:00"},"epss":{"cve":"CVE-2019-10923","score":0.01401,"percentile":0.72518,"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."]}