Home/CVE/An issue was discovered in October through build 471. It reactivates an old session ID (which had been invalid after a l
CVE

CVE-2021-3311

An issue was discovered in October through build 471. It reactivates an old session ID (which had been invalid after a l

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.

CRITICAL · CVSS 9.8 EPSS 0.01522
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-613Insufficient Session Expiration
▤

Affected Products & Versions

1
octobercms october<= 1.0.471
⚠

Public Exploits & PoCs

1
pocanisiosantos.me · october-cms-token-reactivationanisiosantos.me
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Feb 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/octobercms/library/commit/642f597489e6f644d4bd9a0c267e864cabead024PatchThird Party Advisory
https://octobercms.com/forum/chan/announcementsVendor Advisory
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