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CVE-2021-21339: Cleartext Storage of Sensitive Information

March 23, 2021 (updated March 26, 2021)

User session identifiers are stored in cleartext - without processing of additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - for example SQL injection in any other component of the system.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-21339
  • typo3.org/security/advisory/typo3-core-sa-2021-006

Code Behaviors & Features

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Affected versions

All versions starting from 6.2.0 before 6.2.57, all versions starting from 7.0.0 before 7.6.51, all versions starting from 8.0.0 before 8.7.40, all versions starting from 9.0.0 before 9.5.25, all versions starting from 10.0.0 before 10.4.14, all versions starting from 11.0.0 before 11.1.1

Fixed versions

  • 6.2.57
  • 7.6.51
  • 8.7.40
  • 9.5.25
  • 10.4.14
  • 11.1.1

Solution

Upgrade to versions 6.2.57, 7.6.51, 9.5.25, 10.4.14, 11.1.1 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-312: Cleartext Storage of Sensitive Information

Source file

packagist/typo3/cms/CVE-2021-21339.yml

Spotted a mistake? Edit the file on GitLab.

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