TYPO3 CrossDomain Session Cookie Reuse (pre8.7.55,9.5.44,10.4.41,11.5.33,12.4.8)
CVE-2023-47127 Published on November 14, 2023

Weak Authentication in Session Handling in typo3/cms-core
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.

Github Repository NVD

Vulnerability Analysis

CVE-2023-47127 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

Authentication Bypass by Assumed-Immutable Data

The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker.


Products Associated with CVE-2023-47127

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Affected Versions

typo3:

Vulnerable Packages

The following package name and versions may be associated with CVE-2023-47127

Package Manager Vulnerable Package Versions Fixed In
composer typo3/cms-core >= 8.0.0, <= 8.7.54 8.7.55
composer typo3/cms-core >= 9.0.0, <= 9.5.43 9.5.44
composer typo3/cms-core >= 10.0.0, <= 10.4.40 10.4.41
composer typo3/cms-core >= 11.0.0, <= 11.5.32 11.5.33
composer typo3/cms-core >= 12.0.0, <= 12.4.7 12.4.8

Exploit Probability

EPSS
0.18%
Percentile
39.74%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.