{"cve":"CVE-2016-20009","nvd":{"published":"2021-03-11T22:15:12.120","modified":"2026-06-17T00:43:04.667","status":"Modified","description":"A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787"],"references":["https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/","https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf","https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/","https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf"],"products":["siemens:sgt-100_firmware","siemens:sgt-200_firmware","siemens:sgt-300_firmware","siemens:sgt-400_firmware","siemens:sgt-a20_firmware","siemens:sgt-a35_firmware","siemens:sgt-a65_firmware","windriver:vxworks"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2016-20009","score":0.01857,"percentile":0.79198,"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."]}