CSRF in Ponton X\/p Messenger
CVE-2021-45886
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).
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Ponton X\/p Messenger — versions 3.8.0, 3.10.0
Weakness classification (CWE)
References
- www.ponton.de/products/xpmessenger/ (Product, Vendor Advisory)
- www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-080.txt (Exploit, Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2021-45886?
- CVE-2021-45886 is a high-severity vulnerability in Ponton X\/p Messenger, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2022-03-13.
- How severe is CVE-2021-45886?
- High severity. CVSS v3 base score is 8.8 out of 10.