How severe is CVE-2025-59695?

CVE-2025-59695 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59695 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59695?

CVE-2025-59695 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-2025-59695?

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

Does CVE-2025-59695 have an EU (EUVD) identifier?

Yes. CVE-2025-59695 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200259.

When was CVE-2025-59695 published?

CVE-2025-59695 was published on 2025-12-02 and last updated on 2026-08-26.

CVE-2025-59695

CVE-2025-59695 is a critical-severity vulnerability in Entrust Nshield 5c Firmware with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200259
Weakness: CWE-306
Affected product: Entrust Nshield 5c Firmware
Published: 2025-12-02
Last modified: 2026-08-26

Description

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 user with OS root access to alter firmware on the Chassis Management Board (without Authentication). This is called F04.

Frequently asked questions

What is CVE-2025-59695?: 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 user with OS root access to alter firmware on the Chassis Management Board (without Authentication). This is called F04.
How severe is CVE-2025-59695?: CVE-2025-59695 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59695 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59695?: CVE-2025-59695 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-2025-59695?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-59695 have an EU (EUVD) identifier?: Yes. CVE-2025-59695 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200259.
When was CVE-2025-59695 published?: CVE-2025-59695 was published on 2025-12-02 and last updated on 2026-08-26.

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-2025-59693 — 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 (patched in 13.6.12 (LTS) and 13.9.0…
CVE-2025-59702 — High (CVSS 7.2): 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…
CVE-2025-59697 — High (CVSS 7.2): 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…
CVE-2025-59705 — Medium (CVSS 6.8): 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…
CVE-2025-59699 — Medium (CVSS 6.8): 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…

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