What is CVE-2025-4528?

CVE-2025-4528 is a medium-severity vulnerability in Digitro Ngc Explorer, classified under Insufficient Session Expiration. CVSS score: 4.3/10. Published 2025-05-11.

How severe is CVE-2025-4528?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Digitro Ngc Explorer

CVE-2025-4528

A weakness has been identified in Dígitro NGC Explorer up to 3.48.21. This affects an unknown function. Executing a manipulation can lead to session expiration. The attack can be launched remotely. Upgrading to version 3.48.22 mitigates this issue. It is recommended to upgrade the affected component. The action taken by the vendor is: "Strengthening of session control, expiration and invalidation mechanisms." The vulnerabilities are limited to NGC Explorer and do not affect other Dígitro products, including UNA and Guardião.

Published 2025-05-11 · last modified 2026-07-31.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.3th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Digitro Ngc Explorer
Dígitro Ngc Explorer — versions 3.48.18, 3.48.1, 3.44.9

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

VDB-308273 | Dígitro NGC Explorer session expiration (vdb-entry)
VDB-308273 | CTI Indicators (IOB, IOC) (signature, permissions-required)
Submit #565309 | Dígitro NGC Explorer 3.44.15 Improper session token expiration (third-party-advisory)
digitro.com/recomendacao-10-2026-ctir-gov/ (patch)
vuldb.com/submit/565309 (third-party-advisory)
vuldb.com/vuln/308273 (technical-description, vdb-entry)
vuldb.com/vuln/308273/cti (signature, permissions-required)
www.gov.br/ctir/pt-br/assuntos/alertas-e-recomendacoes/recomendacoes/2026/recom… (related, broken-link)
vuldb.com/cve/CVE-2025-4528 (third-party-advisory)
digitro.com/esclarecimentos-recomendacoes-ctir-gov/ (related)

Frequently asked questions

What is CVE-2025-4528?: CVE-2025-4528 is a medium-severity vulnerability in Digitro Ngc Explorer, classified under Insufficient Session Expiration. CVSS score: 4.3/10. Published 2025-05-11.
How severe is CVE-2025-4528?: Medium severity. CVSS v3 base score is 4.3 out of 10.