IDOR vulnerability has been found in Viafirma Inbox v4.5.13 that allows any authenticated user without privileges in the application to list all users, access and modify their data. This allows the user's email addresses to be modified and, subsequently, using the password recovery functionality to access the application by impersonating any user, including those with administrative permissions.
Conclusion & alert: CVE-2025-41077 is rated Low Risk (38.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.21%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.03% | 0.21% | +0.17% |
| 2 | 2026-01-13 | — | 0.03% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.6 | 4.0 | HIGH |
|
— | — | [email protected] |
| 8.1 | 3.1 | HIGH |
|
2.8 | 5.2 | [email protected] |
| URL | Tags |
|---|---|
| https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-viafirma-products | Third Party Advisory |