CVE-2022-21647
High
Description
CodeIgniter is an open source PHP full-stack web framework. Deserialization of Untrusted Data was found in the `old()` function in CodeIgniter4. Remote attackers may inject auto-loadable arbitrary objects with this vulnerability, and possibly execute existing PHP code on the server. We are aware of a working exploit, which can lead to SQL injection. Users are advised to upgrade to v4.1.6 or later. Users unable to upgrade as advised to not use the `old()` function and form_helper nor `RedirectResponse::withInput()` and `redirect()->withInput()`.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Codeigniter
PublishedJan 4, 2022
First seenJan 4, 2022
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- codeigniter codeigniter4.1.6 or later
- codeigniter4/framework4.1.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| codeigniter codeigniter | 4.0.0 ≤ v < 4.1.6 | 4.1.6 |
| codeigniter4/frameworkPackagist | v < 4.1.6 | 4.1.6 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.