Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade php-cas | Jul 30, 2024 | Jul 17, 2017 |
| Moodle | — | Upgrade to the latest version of Moodle | Sep 19, 2017 | Jul 17, 2017 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Jul 17, 2017 |
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