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CVE-2025-59703

9.1 · CRITICAL

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 Physically Proximate Attacker to access the internal component…

Published Dec 2, 2025CWE-284EPSS 0.46%

Overview

CVE-2025-59703 is a critical-severity vulnerability. It was published on December 2, 2025 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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 Physically Proximate Attacker to access the internal components of the appliance, without leaving tamper evidence. To exploit this, the attacker needs to remove the tamper label and all fixing screws from the device without damaging it. This is called an F14 attack.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/advisories/GHSA-h78c-68qv-3qg9GitHubgithub.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwjRefwww.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-september-2025Refwww.entrust.com/use-case/why-use-an-hsm

How CyberStrike helps

Frequently asked questions

What is CVE-2025-59703?

CVE-2025-59703 is a critical-severity vulnerability. It was published on December 2, 2025 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2025-59703?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-59703?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-59703?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-59703 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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