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6.8mediumMedium

CVE-2025-59694

Entrust Nshield 5c Firmware

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.

Exploitation status

  • Published references include exploit or proof-of-concept material. There is no confirmation it is being used in real attacks.

What the metrics mean

  • It is requires physical access to the device.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
6.8 (v3.1)
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-1274
Assigned by
cve@mitre.org

Dates

Published
2025-12-02
Last modified
2026-08-26
Sources
NVD

Affected products

  • Entrust Nshield 5c Firmware- 13.6.12, 13.7.3 - 13.9.0
  • Entrust Nshield 5call versions
  • Entrust Nshield Hsmi Firmware- 13.6.12, 13.7.3 - 13.9.0
  • Entrust Nshield Hsmiall versions
  • Entrust Nshield Connect Xc Base Firmware- 13.6.12, 13.7.3 - 13.9.0
  • Entrust Nshield Connect Xc Baseall versions
  • Entrust Nshield Connect Xc Mid Firmware- 13.6.12, 13.7.3 - 13.9.0
  • Entrust Nshield Connect Xc Midall versions
  • Entrust Nshield Connect Xc High Firmware- 13.6.12, 13.7.3 - 13.9.0
  • Entrust Nshield Connect Xc Highall versions

As listed in the NVD configuration data. Not a statement about your estate.

References