CVE-2018-8739

CVE-2018-8739 is a critical-severity vulnerability in Keepsolid Vpn Unlimited 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.

Key facts

Description

VPN Unlimited 4.2.0 for macOS suffers from a root privilege escalation vulnerability in its privileged helper tool. The privileged helper tool implements an XPC interface, which allows arbitrary applications to execute system commands as root.

Frequently asked questions

What is CVE-2018-8739?
VPN Unlimited 4.2.0 for macOS suffers from a root privilege escalation vulnerability in its privileged helper tool. The privileged helper tool implements an XPC interface, which allows arbitrary applications to execute system commands as root.
How severe is CVE-2018-8739?
CVE-2018-8739 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-2018-8739 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8739?
CVE-2018-8739 affects Keepsolid Vpn Unlimited. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8739?
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.
When was CVE-2018-8739 published?
CVE-2018-8739 was published on 2018-03-16 and last updated on 2026-06-17.

References

Affected products (1)