CVE-2025-59699: Medium severity Entrust nShield Connect XC vulnerability

Published Dec 2, 2025
·
Updated

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker to escalate privileges by booting from a USB device with a valid root filesystem. This occurs because of insecure default settings in the Legacy GRUB Bootloader.

Affected Software

18 affected components
Entrust nShield Connect XC<=13.6.11, <=13.7
Entrust nShield 5c<=13.6.11, <=13.7
Entrust nShield HSMi<=13.6.11, <=13.7
All of the following
Any of the following
Entrust Nshield 5c Firmware<13.6.12
Entrust Nshield 5c Firmware>=13.7<13.9.0
Entrust nShield 5c
All of the following
Any of the following
Entrust Nshield Hsmi Firmware<13.6.12
Entrust Nshield Hsmi Firmware>=13.7<13.9.0
Entrust nShield HSMi
All of the following
Any of the following
Entrust Nshield Connect Xc Base Firmware<13.6.12
Entrust Nshield Connect Xc Base Firmware>=13.7<13.9.0
Entrust Nshield Connect Xc Base
All of the following
Any of the following
Entrust Nshield Connect Xc Mid Firmware<13.6.12
Entrust Nshield Connect Xc Mid Firmware>=13.7<13.9.0
Entrust Nshield Connect Xc Mid
All of the following
Any of the following
Entrust Nshield Connect Xc High Firmware<13.6.12
Entrust Nshield Connect Xc High Firmware>=13.7<13.9.0
Entrust Nshield Connect Xc High

Event History

Dec 2, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-59699?

CVE-2025-59699 is considered a high-severity vulnerability due to the potential for privilege escalation by a physically proximate attacker.

2

How do I fix CVE-2025-59699?

To mitigate CVE-2025-59699, ensure that the Legacy GRUB Bootloader is securely configured to prevent booting from unauthorized USB devices.

3

Who is affected by CVE-2025-59699?

CVE-2025-59699 affects Entrust nShield Connect XC, nShield 5c, and nShield HSMi devices running versions up to and including 13.6.11 and 13.7.

4

What type of attacker can exploit CVE-2025-59699?

CVE-2025-59699 can be exploited by a physically proximate attacker with access to the device.

5

What causes the vulnerability in CVE-2025-59699?

The vulnerability in CVE-2025-59699 arises from insecure default settings in the Legacy GRUB Bootloader, allowing unauthorized access if exploited.

Contact

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