CVE-2020-11067

Deserialization of Untrusted Data in TYPO3 CMS

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.18% Top 25%
Third-Party Advisory github.com
Affected: TYPO3 TYPO3 CMS
Published at:
Updated at:

References

Link Tags
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvp third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-11067?
CVE-2020-11067 has been scored as a high severity vulnerability.
How to fix CVE-2020-11067?
To fix CVE-2020-11067, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-11067 being actively exploited in the wild?
It is possible that CVE-2020-11067 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-11067?
CVE-2020-11067 affects TYPO3 TYPO3 CMS.
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