CVE-2021-21338 Information

Description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 6.2.57 7.6.51 8.7.40 9.5.25 10.4.14 11.1.1 it has been discovered that Login Handling is susceptible to open redirection which allows attackers redirecting to arbitrary content and conducting phishing attacks. No authentication is required in order to exploit this vulnerability. This is fixed in versions 6.2.57 7.6.51 8.7.40 9.5.25 10.4.14 11.1.1.

CVSS Vector

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

Reference

https://packagist.org/packages/typo3/cms-core https://typo3.org/security/advisory/typo3-core-sa-2021-001 https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-4jhw-2p6j-5wmp

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1