What’s Vulnerable › Vulnerabilities

CVE-2014-8686

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 37.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-19 · updated 2026-06-17
• Weakness: CWE-310

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.

Affected products

• CodeIgniter4: through 2.1.4

References

• http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html
• https://beyondbinary.io/articles/seagate-nas-rce/
• https://codeigniter.com/userguide2/changelog.html
• https://www.dionach.com/blog/codeigniter-session-decoding-vulnerability
• http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html
• https://beyondbinary.io/articles/seagate-nas-rce/
• https://codeigniter.com/userguide2/changelog.html
• https://www.dionach.com/blog/codeigniter-session-decoding-vulnerability

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