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CVE-2025-59695

Entrust Nshield 5c Firmware authentication bypass

9.8 CRITICALPublic exploitEPSS 0.67%
  1. Published2 Dec 2025

Description

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7 (patched in 13.6.12 (LTS) and 13.9.0 (STS)), allow a user with OS root access to alter firmware on the Chassis Management Board (without Authentication). This is called F04.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Entrust Nshield 5c Firmware≥ 13.7.3 < 13.9.0 · < 13.6.12
Entrust Nshield Connect Xc Base Firmware≥ 13.7.3 < 13.9.0 · < 13.6.12
Entrust Nshield Connect Xc High Firmware≥ 13.7.3 < 13.9.0 · < 13.6.12
Entrust Nshield Connect Xc Mid Firmware≥ 13.7.3 < 13.9.0 · < 13.6.12
Entrust Nshield Hsmi Firmware≥ 13.7.3 < 13.9.0 · < 13.6.12

Remediation

Fixed in
Entrust Nshield 5c Firmware≥ 13.9.0
Entrust Nshield Connect Xc Base Firmware≥ 13.9.0
Entrust Nshield Connect Xc High Firmware≥ 13.9.0
Entrust Nshield Connect Xc Mid Firmware≥ 13.9.0
Entrust Nshield Hsmi Firmware≥ 13.9.0

References

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Frequently asked

Is CVE-2025-59695 being actively exploited?

CVE-2025-59695 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.67%.

How severe is CVE-2025-59695?

CVE-2025-59695 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.67% probability of exploitation.

Which products are affected by CVE-2025-59695?

Affected products include Entrust Nshield 5c Firmware, Entrust Nshield Connect Xc Base Firmware, Entrust Nshield Connect Xc High Firmware, Entrust Nshield Connect Xc Mid Firmware, Entrust Nshield Hsmi Firmware.

How do I fix CVE-2025-59695?

Upgrade affected software to a fixed version, for example Entrust Nshield 5c Firmware 13.9.0, Entrust Nshield Connect Xc Base Firmware 13.9.0, Entrust Nshield Connect Xc High Firmware 13.9.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.