How severe is CVE-2018-7493?

CVE-2018-7493 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-2018-7493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7493?

CVE-2018-7493 affects Cactusvpn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7493?

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-2018-7493 published?

CVE-2018-7493 was published on 2018-03-05 and last updated on 2026-06-17.

CVE-2018-7493

CVE-2018-7493 is a critical-severity vulnerability in Cactusvpn 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

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cactusvpn
Published: 2018-03-05
Last modified: 2026-06-17

Description

CactusVPN through 6.0 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-2018-7493?: CactusVPN through 6.0 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-2018-7493?: CVE-2018-7493 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-2018-7493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7493?: CVE-2018-7493 affects Cactusvpn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7493?: 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-2018-7493 published?: CVE-2018-7493 was published on 2018-03-05 and last updated on 2026-06-17.

References

https://github.com/VerSprite/research/blob/master/advisories/VS-2018-007.md

Affected products (1)

cpe:2.3:a:cactusvpn:cactusvpn:*:*:*:*:*:*:*:*

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