Entrust nShield Connect XC/nShield 5c/nShield HSMi up to 13.6.11/13.7 USB Device authentication spoofing

Summaryinfo

A vulnerability classified as critical has been found in Entrust nShield Connect XC, nShield 5c and nShield HSMi up to 13.6.11/13.7. This affects an unknown function of the component USB Device Handler. The manipulation leads to Local Privilege Escalation. This vulnerability is uniquely identified as CVE-2025-59699. It is possible to launch the attack on the physical device. No exploit exists.

Detailsinfo

A vulnerability was found in Entrust nShield Connect XC, nShield 5c and nShield HSMi up to 13.6.11/13.7 and classified as critical. This issue affects some unknown processing of the component USB Device Handler. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at entrust.com. The identification of this vulnerability is CVE-2025-59699 since 09/18/2025. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Entrust

Name

• nShield 5c
• nShield Connect XC
• nShield HSMi

Version

• 13.0
• 13.1
• 13.2
• 13.3
• 13.4
• 13.5
• 13.6
• 13.6.0
• 13.6.1
• 13.6.2
• 13.6.3
• 13.6.4
• 13.6.5
• 13.6.6
• 13.6.7
• 13.6.8
• 13.6.9
• 13.6.10
• 13.6.11
• 13.7

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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