Information Exposure Vulnerability in Viday by Viday Technologies
CVE-2025-40645

8.7HIGH

Key Information:

Vendor

Viday

Status
Viday
Vendor
CVE Published:
2 October 2025

What is CVE-2025-40645?

The Viday application is susceptible to an information exposure vulnerability that permits unauthenticated users to exploit an insecure API endpoint. By manipulating the 'phone' parameter in an HTTP GET request directed at '/api/reserva/web/clients', attackers can retrieve sensitive customer information, raising serious concerns regarding data privacy and security for users of the platform. It is imperative for organizations using Viday to implement necessary security measures to protect against unauthorized data access.

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Affected Version(s)

ViDay all versions

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multip...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Carolina GĂłmez Uriarte
Gema de la Fuente Romero
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