What’s Vulnerable › Vulnerabilities

CVE-2021-3172

• Severity: high (CVSS 8.1 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: 2023-02-17 · updated 2026-06-17
• Weakness: CWE-732

Description

An issue in Php-Fusion v9.03.90 fixed in v9.10.00 allows authenticated attackers to cause a Distributed Denial of Service via the Polling feature.

Affected products

• PHP-Fusion: from 9.03.90 before 9.10.00 — fixed in 9.10.00

How to fix

Upgrade to a fixed version: PHP-Fusion 9.10.00. Check the vendor advisory for mitigations.

References

• https://github.com/PHPFusion/PHPFusion/commit/7b8df6925cc7cfd8585d4f34d9120ff3a2e5753e
• https://github.com/PHPFusion/PHPFusion/issues/2351
• https://github.com/PHPFusion/PHPFusion/commit/7b8df6925cc7cfd8585d4f34d9120ff3a2e5753e
• https://github.com/PHPFusion/PHPFusion/issues/2351

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