What’s Vulnerable › Vulnerabilities

CVE-2018-4004

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-17 · updated 2026-06-17
• Weakness: CWE-20

Description

An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the disconnectService functionality. A non-root user is able to kill any privileged process on the system. An attacker would need local access to the machine for a successful exploit.

Affected products

• Shimo VPN: 4.1.5.1

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0673
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0673

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