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CVE-2021-3311

CVE-2021-3311

EPSS 2.9%
An issue was discovered in October through build 471. It reactivates an old session ID (which had been invalid after a logout) once a new login occurs. NOTE: this violates the intended Auth/Manager.php authentication behavior but, admittedly, is only relevant if an old session ID is known to an attacker.
Affected products
n/a · n/a

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References
https://anisiosantos.me/october-cms-token-reactivationhttps://github.com/octobercms/library/commit/642f597489e6f644d4bd9a0c267e864cabead024https://octobercms.com/forum/chan/announcements