CVE-2009-0255
7.5 · HIGHOverview
CVE-2009-0255 is a high-severity vulnerability affecting typo3 typo3. It was published on January 22, 2009 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The System extension Install tool in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 creates the encryption key with an insufficiently random seed, which makes it easier for attackers to crack the key.
Remediation
Check the references section for vendor advisories and patches from typo3. Update typo3 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| typo3 | typo3 | >= 4.0, < 4.0.10 | Affected |
References
Frequently Asked Questions
What is CVE-2009-0255?
CVE-2009-0255 is a high-severity vulnerability affecting typo3 typo3. It was published on January 22, 2009 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2009-0255?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2009-0255?
Check the references section for vendor advisories and patches from typo3. Update typo3 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2009-0255?
CyberStrike's AI-powered security agents can automatically detect CVE-2009-0255 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related HIGH CVEs from 2009
View all →Buffer overflow in VUPlayer 2.49 and earlier allows user-assisted attackers to execute arbitrary cod
Directory traversal vulnerability in the OBEX FTP Service in the Microsoft Bluetooth stack in Window
Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold and SP3; E
Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 b
Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and PowerPoint in Microsoft Office 200
Microsoft Internet Explorer 5.01 SP4, 6 SP1, 6 and 7 on Windows XP SP2 and SP3, 6 and 7 on Windows S
Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow in Micros
Microsoft Internet Explorer 8 for Windows XP SP2 and SP3; 8 for Server 2003 SP2; 8 for Vista Gold, S
Stack-based buffer overflow in the CComVariant::ReadFromStream function in the Active Template Libra
The Embedded OpenType (EOT) Font Engine (T2EMBED.DLL) in Microsoft Windows 2000 SP4, XP SP2 and SP3,
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 a
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 a