6.8

CVE-2025-59694

Exploit
The Chassis Management Board in 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)), allows a physically proximate attacker to persistently modify firmware and influence the (insecurely configured) appliance boot process. To exploit this, the attacker must modify the firmware via JTAG or perform an upgrade to the chassis management board firmware. This is called F03.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Entrust ≫ Nshield 5c Firmware Version < 13.6.12
   Entrust ≫ Nshield 5c Version -
Entrust ≫ Nshield 5c Firmware Version >= 13.7.3 < 13.9.0
   Entrust ≫ Nshield 5c Version -
Entrust ≫ Nshield Hsmi Firmware Version < 13.6.12
   Entrust ≫ Nshield Hsmi Version -
Entrust ≫ Nshield Hsmi Firmware Version >= 13.7.3 < 13.9.0
   Entrust ≫ Nshield Hsmi Version -
Entrust ≫ Nshield Connect Xc Base Firmware Version < 13.6.12
   Entrust ≫ Nshield Connect Xc Base Version -
Entrust ≫ Nshield Connect Xc Base Firmware Version >= 13.7.3 < 13.9.0
   Entrust ≫ Nshield Connect Xc Base Version -
Entrust ≫ Nshield Connect Xc Mid Firmware Version < 13.6.12
   Entrust ≫ Nshield Connect Xc Mid Version -
Entrust ≫ Nshield Connect Xc Mid Firmware Version >= 13.7.3 < 13.9.0
   Entrust ≫ Nshield Connect Xc Mid Version -
Entrust ≫ Nshield Connect Xc High Firmware Version < 13.6.12
   Entrust ≫ Nshield Connect Xc High Version -
Entrust ≫ Nshield Connect Xc High Firmware Version >= 13.7.3 < 13.9.0
   Entrust ≫ Nshield Connect Xc High Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.28% 0.197
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 6.8 0.9 5.9
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-1274 Improper Access Control for Volatile Memory Containing Boot Code

The product conducts a secure-boot process that transfers bootloader code from Non-Volatile Memory (NVM) into Volatile Memory (VM), but it does not have sufficient access control or other protections for the Volatile Memory.

https://www.entrust.com/use-case/why-use-an-hsm
Product
https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj
Third Party Advisory
Exploit
https://www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-september-2025
https://github.com/advisories/GHSA-7gqq-6vwr-4g3v