How severe is CVE-2025-66744?

CVE-2025-66744 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-66744 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66744?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-66744 have an EU (EUVD) identifier?

Yes. CVE-2025-66744 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1719.

When was CVE-2025-66744 published?

CVE-2025-66744 was published on 2026-01-09 and last updated on 2026-06-17.

CVE-2025-66744

CVE-2025-66744 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1719
Weakness: CWE-22
Published: 2026-01-09
Last modified: 2026-06-17

Description

In Yonyou YonBIP v3 and before, the LoginWithV8 interface in the series data application service system is vulnerable to path traversal, allowing unauthorized access to sensitive information within the system

Frequently asked questions

What is CVE-2025-66744?: In Yonyou YonBIP v3 and before, the LoginWithV8 interface in the series data application service system is vulnerable to path traversal, allowing unauthorized access to sensitive information within the system
How severe is CVE-2025-66744?: CVE-2025-66744 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-66744 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-66744?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-66744 have an EU (EUVD) identifier?: Yes. CVE-2025-66744 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1719.
When was CVE-2025-66744 published?: CVE-2025-66744 was published on 2026-01-09 and last updated on 2026-06-17.

References

https://github.com/iSee857/YonYouBip-path-travel

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