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  5. CVE-2021-26600

CVE-2021-26600: Access of Resource Using Incompatible Type ('Type Confusion')

March 29, 2022 (updated April 5, 2022)

ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).

References

  • karmainsecurity.com/KIS-2022-01
  • packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html
  • seclists.org/fulldisclosure/2022/Mar/43
  • github.com/ImpressCMS/impresscms/releases/tag/v1.4.3
  • github.com/advisories/GHSA-m8xh-cqc2-5q6f
  • hackerone.com/reports/1081986
  • nvd.nist.gov/vuln/detail/CVE-2021-26600

Code Behaviors & Features

Detect and mitigate CVE-2021-26600 with GitLab Dependency Scanning

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Affected versions

All versions before 1.4.3

Fixed versions

  • 1.4.3

Solution

Upgrade to version 1.4.3 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

Source file

packagist/impresscms/impresscms/CVE-2021-26600.yml

Spotted a mistake? Edit the file on GitLab.

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