How severe is CVE-2025-59697?

CVE-2025-59697 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over physical access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59697 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59697?

CVE-2025-59697 primarily affects Entrust Nshield 5c Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-59697?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-59697 have an EU (EUVD) identifier?

Yes. CVE-2025-59697 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200257.

When was CVE-2025-59697 published?

CVE-2025-59697 was published on 2025-12-02 and last updated on 2026-06-17.

CVE-2025-59697

CVE-2025-59697 is a high-severity vulnerability in Entrust Nshield 5c Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200257
Weakness: CWE-269
Affected product: Entrust Nshield 5c Firmware
Published: 2025-12-02
Last modified: 2026-06-17

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 editing the Legacy GRUB bootloader configuration to start a root shell upon boot of the host OS. This is called F06.

Frequently asked questions

What is CVE-2025-59697?: 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 editing the Legacy GRUB bootloader configuration to start a root shell upon boot of the host OS. This is called F06.
How severe is CVE-2025-59697?: CVE-2025-59697 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over physical access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59697 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59697?: CVE-2025-59697 primarily affects Entrust Nshield 5c Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-59697?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-59697 have an EU (EUVD) identifier?: Yes. CVE-2025-59697 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200257.
When was CVE-2025-59697 published?: CVE-2025-59697 was published on 2025-12-02 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:entrust:nshield_5c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:entrust:nshield_hsmi_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:entrust:nshield_connect_xc_base_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:entrust:nshield_connect_xc_mid_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:entrust:nshield_connect_xc_high_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Entrust Nshield 5c Firmware

CVE-2025-59695 — Critical (CVSS 9.8): Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a user with OS root access to…
CVE-2025-59693 — Critical (CVSS 9.8): The Chassis Management Board in Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7,…
CVE-2025-59703 — Critical (CVSS 9.1): Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a Physically Proximate…
CVE-2025-59702 — High (CVSS 7.2): Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate…
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CVE-2025-59699 — Medium (CVSS 6.8): Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate…

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