3 known vulnerabilities · sorted by CVSS score
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.
tinc before 1.0.30 has a broken authentication protocol, without even a partial mitigation.
tinc 1.0.30 through 1.0.34 has a broken authentication protocol, although there is a partial mitigation. This is fixed in 1.1.