CVE-2025-59699

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 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.

Score

CVSS 3.1 6.8 Medium

Status

Modified - cve@mitre.org

Published

2025-12-02

Last modified

2026-08-26

Weaknesses

CWE-290

Affected products

• 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 (Entrust)

References

• https://github.com/advisories/GHSA-g9v7-h8x8-w5vw
• https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj
• https://www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-september-2025
• https://www.entrust.com/use-case/why-use-an-hsm