CVE-2020-7043: Fedoraproject Fedora

Critical severity, CVSS 9.1. EPSS: 2.8% chance of exploitation in the next 30 days.

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.

Affected products

• Fedoraproject Fedora: version 30 only; version 31 only; version 32 only
• Openfortivpn Project Openfortivpn: before 1.12.0 (fixed in 1.12.0)
• Opensuse Backports Sle: version 15.0 only
• Opensuse Leap: version 15.1 only

Published 2020-02-27. Last modified 2026-06-17.