CVE-2014-8686

critical
Published 2017-09-19 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
5.0
VIR risk
9.8

Description

CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://codeigniter.com/userguide2/changelog.html

Application impact

VendorProductVersionsFixed
codeignitercodeigniter{"endIncluding":"2.1.4"}

References

CWEs

CWE-310

Verify integrity in audit chain (admin only). AS-IS.