How severe is CVE-2018-4005?

CVE-2018-4005 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-4005 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4005?

CVE-2018-4005 affects Shimovpn Shimo Vpn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4005?

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.

When was CVE-2018-4005 published?

CVE-2018-4005 was published on 2019-04-17 and last updated on 2026-06-17.

CVE-2018-4005

CVE-2018-4005 is a high-severity vulnerability in Shimovpn Shimo Vpn with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Shimovpn Shimo Vpn
Published: 2019-04-17
Last modified: 2026-06-17

Description

An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the configureRoutingWithCommand function. A user with local access can use this vulnerability to raise their privileges to root. An attacker would need local access to the machine for a successful exploit.

Frequently asked questions

What is CVE-2018-4005?: An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the configureRoutingWithCommand function. A user with local access can use this vulnerability to raise their privileges to root. An attacker would need local access to the machine for a successful exploit.
How severe is CVE-2018-4005?: CVE-2018-4005 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-4005 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4005?: CVE-2018-4005 affects Shimovpn Shimo Vpn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4005?: 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.
When was CVE-2018-4005 published?: CVE-2018-4005 was published on 2019-04-17 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0674

Affected products (1)

cpe:2.3:a:shimovpn:shimo_vpn:4.1.5.1:*:*:*:*:*:*:*

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