What’s Vulnerable › Vulnerabilities

CVE-2021-45886

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-13 · updated 2026-06-17
• Weakness: CWE-352

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).

Affected products

• Ponton X/P Messenger: 3.8.0, 3.10.0

References

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

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