Auth bypass in Typo3
CVE-2023-47127
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.
EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Typo3 — versions >= 8.0.0, < 8.7.55, >= 9.0.0, < 9.5.44, >= 10.0.0, < 10.4.41
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-47127?
- CVE-2023-47127 is a medium-severity vulnerability in Typo3, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 4.2/10. Published 2023-11-14.
- How severe is CVE-2023-47127?
- Medium severity. CVSS v3 base score is 4.2 out of 10.