Exposure of sensitive information in Viday

published 2025-10-02 13 mo ago modified 2026-10-12 27 d ago also EUVD-2025-32669

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

Exposure of sensitive information in Viday. This vulnerability could allow an attacker to obtain sensitive information about customers by intercepting HTTP requests and searching for the JWT containing sensitive user information in the JWT payload.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 13 mo ago (2025-10-02)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.9	CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	4.0	5.9	CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

ViDay ViDay

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

incibe.es /en/incibe-cert/notices/aviso/multiple-vulnerabilities-viday

Sources

CVE List CVE-2025-40646
NVD CVE-2025-40646

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Summary