Vulnerability Description
In TYPO3 CMS 9.0.0 through 9.5.16 and 10.0.0 through 10.4.1, it has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of third party components, this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Typo3 | Typo3 | >= 9.0.0, <= 9.5.16 |
Related Weaknesses (CWE)
References
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvpThird Party Advisory
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvpThird Party Advisory
FAQ
What is CVE-2020-11067?
CVE-2020-11067 is a vulnerability with a CVSS score of 8.8 (HIGH). In TYPO3 CMS 9.0.0 through 9.5.16 and 10.0.0 through 10.4.1, it has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnera...
How severe is CVE-2020-11067?
CVE-2020-11067 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-11067?
Check the references section above for vendor advisories and patch information. Affected products include: Typo3 Typo3.