CVE-2025-4528Network attack vector

Authenticated session reuse via incomplete invalidation

Published May 11, 2025 · Updated Jul 31, 2026

Insufficient session expiration in Dígitro NGC Explorer 3.48.21 and earlier allows remote authenticated users to reuse expired sessions. The affected function is undisclosed, but session-control logic fails to invalidate a session token when its intended lifetime ends. An existing authenticated session is required; successful manipulation preserves access beyond the session's intended expiration.

CVSS severity9.8
Critical
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient session expiration in Dígitro NGC Explorer 3.48.21 and earlier allows remote authenticated users to reuse expired sessions. The affected function is undisclosed, but session-control logic fails to invalidate a session token when its intended lifetime ends. An existing authenticated session is required; successful manipulation preserves access beyond the session's intended expiration.

The record

CVE
CVE-2025-4528
Published
May 11, 2025
Updated
Jul 31, 2026
Vendor
Dígitro Tecnologia S.A.
Product
NGC Explorer
Classifications
CWE-613, T1550.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 31, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.48.0
  2. Affected versionversion=3.48.1
  3. Affected versionversion=3.48.10
  4. Affected versionversion=3.48.11
  5. Affected versionversion=3.48.12
  6. Affected versionversion=3.48.13
  7. Affected versionversion=3.48.14
  8. Affected versionversion=3.48.15
  9. Affected versionversion=3.48.16
  10. Affected versionversion=3.48.17
  11. Affected versionversion=3.48.18
  12. Affected versionversion=3.48.19
  13. Affected versionversion=3.48.2
  14. Affected versionversion=3.48.20
  15. Affected versionversion=3.48.21
  16. Affected versionversion=3.48.3
  17. Affected versionversion=3.48.4
  18. Affected versionversion=3.48.5
  19. Affected versionversion=3.48.6
  20. Affected versionversion=3.48.7
  21. Affected versionversion=3.48.8
  22. Affected versionversion=3.48.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Dígitro Tecnologia S.A. · NGC Explorerversion=3.48.0; version=3.48.1; version=3.48.10; version=3.48.11; version=3.48.12; version=3.48.13; version=3.48.14; version=3.48.15; version=3.48.16; version=3.48.17; version=3.48.18; version=3.48.19; version=3.48.2; version=3.48.20; version=3.48.21; version=3.48.3; version=3.48.4; version=3.48.5; version=3.48.6; version=3.48.7; version=3.48.8; version=3.48.9

Published CVSS scores

4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/A:N
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
5.3VulDBCVSS: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: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
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-613Insufficient Session Expiration
T1550.004Use Alternate Authentication Material: Web Session Cookie

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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