Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Typo3 | Typo3 | >= 6.2.0, < 6.2.57 |
Related Weaknesses (CWE)
References
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-4jhw-2p6j-5wmpThird Party Advisory
- https://packagist.org/packages/typo3/cms-coreRelease NotesThird Party Advisory
- https://typo3.org/security/advisory/typo3-core-sa-2021-001Vendor Advisory
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-4jhw-2p6j-5wmpThird Party Advisory
- https://packagist.org/packages/typo3/cms-coreRelease NotesThird Party Advisory
- https://typo3.org/security/advisory/typo3-core-sa-2021-001Vendor Advisory
FAQ
What is CVE-2021-21338?
CVE-2021-21338 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 o...
How severe is CVE-2021-21338?
CVE-2021-21338 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21338?
Check the references section above for vendor advisories and patch information. Affected products include: Typo3 Typo3.