CVE-2025-40678: Unrestricted upload vulnerability for dangerous file types on Summar Software´s Portal del Empleado

Severity: medium (CVSS 5.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-18 · updated 2026-06-17
Weakness: CWE-434

Description

Unrestricted upload vulnerability for dangerous file types on Summar Software´s Portal del Empleado. This vulnerability allows an attacker to upload a dangerous file type by sending a POST request using the parameter “cctl00$ContentPlaceHolder1$fuAdjunto” in “/MemberPages/ntf_absentismo.aspx”.

Affected products

Summar Software Portal del Empleado: 3.98.0

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-summar-software-employee-portal

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