CVE-2011-4628: Typo3 Authentication Bypass
Summary
CVE-2011-4628: Typo3 Authentication Bypass. Affects typo3/cms across 3 version ranges.
< 4.3.12
>= 4.4.0, < 4.4.9
>= 4.5.0, < 4.5.4
Fixed in 4.3.12, 4.4.9 or 4.5.4, depending on the release line you run. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Typo3 is a popular content management system (CMS) used for building websites and web applications. It provides a wide range of features and functionalities for managing and publishing content. However, versions before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 are vulnerable to an authentication bypass issue in the backend. This vulnerability allows remote attackers to bypass authentication mechanisms through a crafted request.
Vulnerability Detail
The authentication bypass vulnerability in Typo3 allows attackers to gain unauthorized access to the backend of the CMS. By exploiting this vulnerability, an attacker can bypass the authentication mechanisms and gain administrative privileges. This can lead to various malicious activities, such as modifying content, stealing sensitive information, or even taking control of the entire website. The vulnerability is considered critical with a CVSS score of 9.8.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 4.3.124.3.12composer require typo3/cms:4.3.12 -
>= 4.4.0, < 4.4.94.4.9composer require typo3/cms:4.4.9 -
>= 4.5.0, < 4.5.44.5.4composer require typo3/cms:4.5.4
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
There is no known workaround for this vulnerability. It is crucial to apply the recommended fix by upgrading to the latest version of Typo3.
Conclusion
The Typo3 authentication bypass vulnerability is a critical issue that allows remote attackers to gain unauthorized access to the backend of the CMS. To mitigate this vulnerability, it is crucial to upgrade to the latest version of Typo3, which includes the necessary fixes. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for typo3/cms →
FAQ
Typo3 is a content management system (CMS) used for building websites and web applications. It provides a wide range of features and functionalities for managing and publishing content.
An authentication bypass vulnerability allows attackers to bypass the authentication mechanisms of a system or application, gaining unauthorized access and potentially performing malicious activities.
This vulnerability can be exploited by sending a crafted request to the Typo3 backend, bypassing the authentication mechanisms and gaining administrative privileges.
The potential consequences of this vulnerability include unauthorized access to the backend, modification of content, theft of sensitive information, and complete control of the affected website.
Yes, the fix for this vulnerability is available in the latest versions of Typo3. It is recommended to upgrade to the fixed versions to patch the vulnerability.
Related vulnerabilities
Recent vulnerabilities recorded for typo3/cms.
