Vulnerability Details CVE-2022-21647
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()`.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.109
EPSS Ranking 93.0%
CVSS Severity
CVSS v3 Score 7.7
CVSS v2 Score 7.5
References
- https://github.com/codeigniter4/CodeIgniter4/commit/ce95ed5765256e2f09f3513e7d42790e0d6948f5
- https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-w6jr-wj64-mc9x
- https://github.com/codeigniter4/CodeIgniter4/commit/ce95ed5765256e2f09f3513e7d42790e0d6948f5
- https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-w6jr-wj64-mc9x
Products affected by CVE-2022-21647
-
cpe:2.3:a:codeigniter:codeigniter:4.0.0
-
cpe:2.3:a:codeigniter:codeigniter:4.0.1
-
cpe:2.3:a:codeigniter:codeigniter:4.0.2
-
cpe:2.3:a:codeigniter:codeigniter:4.0.3
-
cpe:2.3:a:codeigniter:codeigniter:4.0.4
-
cpe:2.3:a:codeigniter:codeigniter:4.0.5
-
cpe:2.3:a:codeigniter:codeigniter:4.1.0
-
cpe:2.3:a:codeigniter:codeigniter:4.1.1
-
cpe:2.3:a:codeigniter:codeigniter:4.1.2
-
cpe:2.3:a:codeigniter:codeigniter:4.1.3
-
cpe:2.3:a:codeigniter:codeigniter:4.1.4
-
cpe:2.3:a:codeigniter:codeigniter:4.1.5