CVE-2024-58385: Yonyou u8 CRM

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Yonyou U8 CRM contains an unauthenticated SQL injection vulnerability in the fillbacksettingedit.php configuration endpoint where the DontCheckLogin=1 parameter bypasses authentication and the id parameter is incorporated into SQL queries without sanitization. Attackers can exploit this flaw to execute arbitrary SQL commands and, on Microsoft SQL Server deployments with xp_cmdshell enabled, write backdoor files and execute arbitrary operating system commands. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-02-13.

Affected products

• Yonyou u8 CRM: version 18 only; version 16.5 only; version 16.1 only; version 16.0 only; version 15.1 only; version 13 only

Published 2026-09-15. Last modified 2026-09-28.