CVE-2019-5421

Plataformatec Devise version 4.5.0 and earlier, using the lockable module
contains a CWE-367 vulnerability in The Devise::Models::Lockable class,
more specifically at the #increment_failed_attempts method. File
location: lib/devise/models/lockable.rb that can result in Multiple
concurrent requests can prevent an attacker from being blocked on brute
force attacks. This attack appear to be exploitable via Network
connectivity - brute force attacks. This vulnerability appears to have been
fixed in 4.6.0 and later.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=926348&gt;

Notes