CVE-2021-42338 CRITICAL

CVE-2021-42338: 4MOSAn GCB Doctor - Improper Authorization

Vendor 4Mosan
Product GCB Doctor
Weakness CWE-285
Published November 19, 2021
Last update September 17, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

4MOSAn GCB Doctor’s login page has improper validation of Cookie, which allows an unauthenticated remote attacker to bypass authentication by code injection in cookie, and arbitrarily manipulate the system or interrupt services by upload and execution of arbitrary files.

Key dates

02Disclosure timeline

November 19, 2021 CVE published
September 17, 2024 Record updated