CVE-2018-4006 json
An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the writeConfig functionality.
published 2019-04-17 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15792
- cvss
- 9.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the writeConfig functionality. A non-root user is able to write a file anywhere on the system. 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 exploit it successfully.
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2018-0675 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Shimo VPN
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
talosintelligence.com
/vulnerability_reports/TALOS-2018-0675
exploit, third-party-advisory
Sources
- CVE List CVE-2018-4006
- NVD CVE-2018-4006
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