{"cve":"CVE-2019-19789","nvd":{"published":"2019-12-20T13:15:11.877","modified":"2026-06-17T02:27:15.050","status":"Modified","description":"3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-476"],"references":["https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download=","https://www.codesys.com","https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download=","https://www.codesys.com"],"products":["codesys:plcwinnt","codesys:runtime_toolkit","codesys:sp_realtime_nt"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-19789","score":0.01218,"percentile":0.68638,"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."]}