CVE-2020-7043

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2

published February 27, 2020

CVSS
—
EPSS
3%
Percentile
86.2
In the wild
Unconfirmed
What it is

⚠️ A clever little flaw in openfortivpn 1.11.0 lets attackers sidestep certificate validation with a sneaky '' character! Think of it like a hotel receptionist who’s supposed to check your ID but gets confused when they see a hidden sticker on the back — a simple trick could allow unwanted guests to slip through without proper verification! What’s at stake? An attacker could potentially target your connection, masquerading as a legitimate host while you unknowingly trust them. This could lead to unauthorized access, data interception, or even session hijacking — definitely not the kind of party you want to host!

Put simply

Think of it like a hotel receptionist who’s supposed to check your ID but gets confused when they see a hidden sticker on the back — a simple trick could allow unwanted guests to slip through without proper verification! This vulnerability arises because the hostname comparison in tunnel.c fails to handle '' characters properly, allowing a crafted domain to bypass validation checks when using OpenSSL versions prior to 1.0.2.

What to do

What’s at stake? An attacker could potentially target your connection, masquerading as a legitimate host while you unknowingly trust them. This could lead to unauthorized access, data interception, or even session hijacking — definitely not the kind of party you want to host! Update openfortivpn to the latest version and ensure OpenSSL is at least version 1.0.2 or higher. Regularly audit your VPN configurations and ensure hostname validations are correctly implemented. 🛡️ You've got this! A quick update can keep your connections safe and secure! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02759 · 86.2th percentile
Published
2020-02-27T17:30Z
EPSS history
Timeline
  • 27 FEB 17:30Z
    An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2
    cvelistv5