CVE-2019-5421
First published: Wed Apr 03 2019(Updated: )
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.
Credit: support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Plataformatec Devise | <=4.5.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-5421?
CVE-2019-5421 is a vulnerability in Plataformatec Devise version 4.5.0 and earlier using the lockable module that allows for multiple concurrent requests to increment the failed login attempts.
How severe is CVE-2019-5421?
CVE-2019-5421 has a severity rating of 9.8, which is considered critical.
What is the CWE of CVE-2019-5421?
CVE-2019-5421 is associated with CWE-367.
Where can I find more information about CVE-2019-5421?
More information about CVE-2019-5421 can be found at the following references: [Reference 1](https://github.com/plataformatec/devise/issues/4981), [Reference 2](https://github.com/plataformatec/devise/pull/4996).
How do I fix CVE-2019-5421?
To fix CVE-2019-5421, it is recommended to update Plataformatec Devise to a version that is later than 4.5.0.
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