{"cve":"CVE-2018-16758","nvd":{"published":"2018-10-10T21:29:02.103","modified":"2026-06-17T01:44:46.107","status":"Modified","description":"Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-306"],"references":["http://tinc-vpn.org/security/","http://www.tinc-vpn.org/git/browse?p=tinc%3Ba=commit%3Bh=e97943b7cc9c851ae36f5a41e2b6102faa74193f","https://www.debian.org/security/2018/dsa-4312","https://www.starwindsoftware.com/security/sw-20190227-0003/","http://tinc-vpn.org/security/"],"products":["debian:debian_linux","starwindsoftware:starwind_virtual_san","tinc-vpn:tinc"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-16758","score":0.00947,"percentile":0.61162,"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."]}