CVE-2018-4009
CVE-2018-4009 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-494.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-494
- Affected product: Shimovpn Shimo Vpn
- Published:
- Last modified:
Description
An exploitable privilege escalation vulnerability exists in the Shimo VPN helper service due to improper validation of code signing. A user with local access can use this vulnerability to raise their privileges to root. An attacker would need local access to the machine to successfully exploit this bug.
Frequently asked questions
- What is CVE-2018-4009?
- An exploitable privilege escalation vulnerability exists in the Shimo VPN helper service due to improper validation of code signing. A user with local access can use this vulnerability to raise their privileges to root. An attacker would need local access to the machine to successfully exploit this bug.
- How severe is CVE-2018-4009?
- CVE-2018-4009 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-2018-4009 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-4009?
- CVE-2018-4009 affects Shimovpn Shimo Vpn. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-4009?
- 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-2018-4009 published?
- CVE-2018-4009 was published on 2019-04-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:shimovpn:shimo_vpn:4.1.5.1:*:*:*:*:*:*:*
More vulnerabilities in Shimovpn Shimo Vpn
- CVE-2018-4006 — High (CVSS 7.8): An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the writeConfig…
- CVE-2018-4005 — High (CVSS 7.8): An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the…
- CVE-2018-4008 — High (CVSS 7.8): An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the RunVpncScript…
- CVE-2018-4007 — High (CVSS 7.1): An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the deleteConfig…
- CVE-2018-4004 — Medium (CVSS 5.5): An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the…
All CVEs affecting Shimovpn Shimo Vpn →
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