How severe is CVE-2025-4531?

CVE-2025-4531 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-4531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4531?

CVE-2025-4531 affects Seeyon Oa Web Application System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4531?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-4531 have an EU (EUVD) identifier?

Yes. CVE-2025-4531 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14331.

When was CVE-2025-4531 published?

CVE-2025-4531 was published on 2025-05-11 and last updated on 2026-06-17.

CVE-2025-4531

CVE-2025-4531 is a medium-severity vulnerability in Seeyon Oa Web Application System with a CVSS 3.x base score of 6.3. 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-94.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14331
Weakness: CWE-94
Affected product: Seeyon Oa Web Application System
Published: 2025-05-11
Last modified: 2026-06-17

Description

A vulnerability was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. It has been rated as critical. Affected by this issue is the function postData of the file ROOT\WEB-INF\classes\com\ours\www\ehr\salary\service\data\EhrSalaryPayrollServiceImpl.class of the component Beetl Template Handler. The manipulation of the argument payrollId leads to code injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-4531?: A vulnerability was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. It has been rated as critical. Affected by this issue is the function postData of the file ROOT\WEB-INF\classes\com\ours\www\ehr\salary\service\data\EhrSalaryPayrollServiceImpl.class of the component Beetl Template Handler. The manipulation of the argument payrollId leads to code injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-4531?: CVE-2025-4531 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-4531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4531?: CVE-2025-4531 affects Seeyon Oa Web Application System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4531?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4531 have an EU (EUVD) identifier?: Yes. CVE-2025-4531 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14331.
When was CVE-2025-4531 published?: CVE-2025-4531 was published on 2025-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:seeyon:oa_web_application_system:8.1:sp2:*:*:*:*:*:*

More vulnerabilities in Seeyon Oa Web Application System

CVE-2025-4529 — Medium (CVSS 4.3): A vulnerability was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. It has been classified as problematic.…
CVE-2025-4000 — Low (CVSS 3.5): A vulnerability, which was classified as problematic, was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2.…
CVE-2025-3999 — Low (CVSS 3.5): A vulnerability, which was classified as problematic, has been found in Seeyon Zhiyuan OA Web Application System 8.1…

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