CVE-2022-21647
Deserialization of Untrusted Data was found in the `old()` function in CodeIgniter4.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 37.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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()`.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 37.67% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- codeigniter/codeigniter
- Source
- security-advisories@github.com
References
- https://github.com/codeigniter4/CodeIgniter4/commit/ce95ed5765256e2f09f3513e7d42790e0d6948f5Patch, Third Party Advisory
- https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-w6jr-wj64-mc9xMitigation, Third Party Advisory
- https://github.com/codeigniter4/CodeIgniter4/commit/ce95ed5765256e2f09f3513e7d42790e0d6948f5Patch, Third Party Advisory
- https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-w6jr-wj64-mc9xMitigation, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.