{"cve":"CVE-2015-7851","nvd":{"published":"2020-01-28T17:15:12.053","modified":"2026-06-17T00:33:15.647","status":"Modified","description":"Directory traversal vulnerability in the save_config function in ntpd in ntp_control.c in NTP before 4.2.8p4, when used on systems that do not use '\\' or '/' characters for directory separation such as OpenVMS, allows remote authenticated users to overwrite arbitrary files.","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:H/A:N","score":6.5},"cwes":["CWE-22"],"references":["http://support.ntp.org/bin/view/Main/NtpBug2918","http://support.ntp.org/bin/view/Main/SecurityNotice","http://www.talosintel.com/reports/TALOS-2015-0062/","http://support.ntp.org/bin/view/Main/NtpBug2918","http://support.ntp.org/bin/view/Main/SecurityNotice"],"products":["ntp:ntp"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2015-7851","score":0.03942,"percentile":0.90403,"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."]}