CVE-2025-59699

MEDIUM EPSS 18.9%

Published Dec 2, 20257mo ago · Modified Jun 17, 20261w ago

6.8 CVSS 3.1

Medium

Published Dec 2, 2025 7mo ago

Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score

6.8

Exploitability

0.9

Impact

5.9

Vector string

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector Physical

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

18.9% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-290

Affected Products 15

Vendor	Product	Version	Range
entrust	nshield_5c_firmware	*	<13.6.12
entrust	nshield_5c_firmware	*	≥13.7 – <13.9.0
entrust	nshield_5c	*	any
entrust	nshield_hsmi_firmware	*	<13.6.12
entrust	nshield_hsmi_firmware	*	≥13.7 – <13.9.0
entrust	nshield_hsmi	*	any
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	*	any
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	*	any
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	*	any

References 2

github.com https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj

ExploitThird Party Advisory
entrust.com https://www.entrust.com/use-case/why-use-an-hsm

Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.