CVE-2016-10321: Critical severity Web2py Web2py vulnerability
Last updated 25 August 2025
Other sources
web2py before 2.14.6 does not properly check if a host is denied before verifying passwords, allowing a remote attacker to perform brute-force attacks.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2016-10321?
CVE-2016-10321 is a vulnerability in web2py before version 2.14.6 that allows a remote attacker to perform brute-force attacks by not properly checking if a host is denied before verifying passwords.
How severe is CVE-2016-10321?
CVE-2016-10321 has a severity rating of 9.8 (critical).
How can I fix CVE-2016-10321?
To fix CVE-2016-10321, update web2py to version 2.14.6 or later.
Are there any references for CVE-2016-10321?
Yes, you can find references for CVE-2016-10321 at the following links: [GitHub Commit](https://github.com/web2py/web2py/commit/944d8bd8f3c5cf8ae296fc03d149056c65358426), [GitHub Issue](https://github.com/web2py/web2py/issues/1585#issuecomment-284317919), [Ubuntu Security Notice](https://usn.ubuntu.com/4030-1/).
What is the Common Weakness Enumeration (CWE) for CVE-2016-10321?
The Common Weakness Enumeration (CWE) for CVE-2016-10321 is CWE-307 (Improper Restriction of Excessive Authentication Attempts) and CWE-254 (Security Features)