CVE-2021-45886 Information

Description

An issue was discovered in PONTON X/P Messenger before 3.11.2. Anti-CSRF tokens are globally valid making the web application vulnerable to a weakened version of CSRF where an arbitrary token of a low-privileged user (such as operator) can be used to confirm actions of higher-privileged ones (such as xpadmin).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-080.txt https://www.ponton.de/products/xpmessenger/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8