CVE-2021-45886
Last modified
CVE-2021-45886 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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).. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ponton | X\/P Messenger | 3.8.0 |
| Ponton | X\/P Messenger | 3.10.0 |
References
- https://www.ponton.de/products/xpmessenger/Product, Vendor Advisory
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-080.txtExploit, Release Notes, Third Party Advisory
- https://www.ponton.de/products/xpmessenger/Product, Vendor Advisory
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-080.txtExploit, Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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