CVE-2021-29487 HIGH

CVE-2021-29487: Authentication bypass in Octobercms

Vendor Octobercms
Product october
Weakness CWE-287 · Improper authentication
Published August 26, 2021
Last update August 3, 2024

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can exploit this vulnerability to bypass authentication and takeover of and user account on an October CMS server. The vulnerability is exploitable by unauthenticated users via a specially crafted request. This only affects frontend users and the attacker must obtain a Laravel secret key for cookie encryption and signing in order to exploit this vulnerability. The issue has been patched in Build 472 and v1.1.5.

Key dates

02Disclosure timeline

August 26, 2021 CVE published
August 3, 2024 Record updated