CVE-2025-15420 Yonyou CVE debrief

Who should care

Defenders responsible for Yonyou KSOA 9.0 deployments should assess exposure to remote exploitation and prioritize verification and potential remediation. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed and review compensating controls for exposed systems.

Why it matters

Defenders should prioritize verifying the presence of this vulnerability in their Yonyou KSOA 9.0 deployments and assess exposure to remote exploitation, as the exploit has been publicly disclosed and the vendor has not responded.

• Verify potential exposure to remote SQL injection attacks
• Assess the impact of publicly disclosed exploits on Yonyou KSOA 9.0 deployments
• Prioritize remediation or compensating controls for affected systems
• Monitor for potential exploitation attempts

Technical summary

The vulnerability affects the /worksheet/agent_work_report.jsp file in Yonyou KSOA 9.0 and can be exploited remotely by manipulating the ID argument, leading to SQL injection. The exploit has been publicly disclosed, and the vendor, Yonyou, was contacted but did not respond. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its CVSS score and severity. Defenders should prioritize verifying the presence of this vulnerability in their Yonyou KSOA 9.0 deployments and assess exposure to remote exploitation.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their Yonyou KSOA 9.0 deployments and assess exposure to remote exploitation.

Recommended defensive actions

• Verify the presence of Yonyou KSOA 9.0 in your deployment
• Assess exposure to remote exploitation of the /worksheet/agent_work_report.jsp file
• Monitor for publicly disclosed exploits
• Consider compensating controls or workarounds until vendor remediation is available
• Review relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its CVSS score of 5.5 and severity of MEDIUM. The exploit has been publicly disclosed, but there is no information on known affected versions or remediation.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.