How severe is CVE-2025-43711?

CVE-2025-43711 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-43711 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-43711?

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-2025-43711 have an EU (EUVD) identifier?

Yes. CVE-2025-43711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20098.

When was CVE-2025-43711 published?

CVE-2025-43711 was published on 2025-07-05 and last updated on 2026-06-17.

CVE-2025-43711

CVE-2025-43711 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. 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-459.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20098
Weakness: CWE-459
Published: 2025-07-05
Last modified: 2026-06-17

Description

Tunnelblick 3.5beta06 before 7.0, when incompletely uninstalled, allows attackers to execute arbitrary code as root (upon the next boot) by dragging a crafted Tunnelblick.app file into /Applications.

Frequently asked questions

What is CVE-2025-43711?: Tunnelblick 3.5beta06 before 7.0, when incompletely uninstalled, allows attackers to execute arbitrary code as root (upon the next boot) by dragging a crafted Tunnelblick.app file into /Applications.
How severe is CVE-2025-43711?: CVE-2025-43711 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-43711 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-43711?: 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-2025-43711 have an EU (EUVD) identifier?: Yes. CVE-2025-43711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20098.
When was CVE-2025-43711 published?: CVE-2025-43711 was published on 2025-07-05 and last updated on 2026-06-17.

References

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