CVE-2021-21339
MEDIUMTYPO3 < 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 - Cleartext Session Identifiers
Title source: llmDescription
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 user session identifiers were stored in cleartext - without processing of additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - like for instance SQL injection in any other component of the system. This is fixed in versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.
References (3)
Core 3
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://packagist.org/packages/typo3/cms-core
Third Party Advisory x_refsource_confirm
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-qx3w-4864-94ch
Vendor Advisory x_refsource_misc
https://typo3.org/security/advisory/typo3-core-sa-2021-006
Scores
CVSS v3
5.9
EPSS
0.0013
EPSS Percentile
32.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-312
Status
published
Products (3)
typo3/cms
10.0.0 - 10.4.14Packagist
typo3/cms-core
6.2.0 - 6.2.57Packagist
typo3/typo3
6.2.0 - 6.2.57
Published
Mar 23, 2021
Tracked Since
Feb 18, 2026