CVE-2021-26600 Information

Description

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

CVSS Vector

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

Reference

http://seclists.org/fulldisclosure/2022/Mar/43 http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html http://karmainsecurity.com/KIS-2022-01 https://hackerone.com/reports/1081986

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8