CVE-2023-47127

Weak Authentication in Session Handling in typo3/cms-core

Description

TYPO3 is an open source PHP based web content management system released under the GNU GPL. In typo3 installations there are always at least two different sites. Eg. first.example.org and second.example.com. In affected versions a session cookie generated for the first site can be reused on the second site without requiring additional authentication. This vulnerability has been addressed in versions 8.7.55, 9.5.44, 10.4.41, 11.5.33, and 12.4.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Categories

4.2
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory github.com Vendor Advisory typo3.org
Affected: TYPO3 typo3
Published at:
Updated at:

References

Link Tags
https://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rm vendor advisory
https://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019 patch
https://typo3.org/security/advisory/typo3-core-sa-2023-006 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-47127?
CVE-2023-47127 has been scored as a medium severity vulnerability.
How to fix CVE-2023-47127?
To fix CVE-2023-47127, 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-2023-47127 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-47127 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-47127?
CVE-2023-47127 affects TYPO3 typo3.
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