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  5. CVE-2018-12071

CVE-2018-12071: CodeIgniter Session Fixation Vulnerability

May 14, 2022 (updated June 17, 2025)

A Session Fixation issue exists in CodeIgniter before 3.1.10 because session.use_strict_mode in the Session Library was mishandled.

References

  • github.com/advisories/GHSA-g434-3q2j-hj4r
  • github.com/bcit-ci/CodeIgniter
  • github.com/bcit-ci/CodeIgniter/commit/800a20d6c4662d99ae0988b2f8f2238bb8bb29db
  • github.com/bcit-ci/CodeIgniter/commit/a9da3dd2f16a8f97d7bc4ff5572b28e4bb84c813
  • github.com/bcit-ci/CodeIgniter/issues/5958
  • nvd.nist.gov/vuln/detail/CVE-2018-12071
  • web.archive.org/web/20181115214804/https://www.codeigniter.com/user_guide/changelog.html
  • www.codeigniter.com/user_guide/changelog.html

Code Behaviors & Features

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Affected versions

All versions before 3.1.10

Fixed versions

  • 3.1.10

Solution

Upgrade to version 3.1.10 or above.

Impact 9.8 CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-384: Session Fixation

Source file

packagist/codeigniter/framework/CVE-2018-12071.yml

Spotted a mistake? Edit the file on GitLab.

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