{"cve":"CVE-1999-1539","nvd":{"published":"1999-11-10T05:00:00.000","modified":"2026-06-16T21:50:40.440","status":"Modified","description":"Buffer overflow in FTP server in QPC Software's QVT/Term Plus versions 4.2d and 4.3 and QVT/Net 4.3 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long (1) user name or (2) password.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://marc.info/?l=bugtraq&m=94225924803704&w=2","http://marc.info/?l=ntbugtraq&m=94223972910670&w=2","http://www.securityfocus.com/bid/796","https://exchange.xforce.ibmcloud.com/vulnerabilities/3491","http://marc.info/?l=bugtraq&m=94225924803704&w=2"],"products":["qpc_software:qvt_net","qpc_software:qvt_term_plus"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-1539","score":0.12077,"percentile":0.96145,"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."]}