Shimo VPN 4.1.5.1 Helper Service Argument access control

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

A vulnerability was found in Shimo VPN 4.1.5.1 (Network Encryption Software). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Helper Service. The manipulation as part of a Argument leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An exploitable privilege escalation vulnerability exists in the Shimo VPN 4.1.5.1 helper service in the RunVpncScript command. The command takes a user-supplied script argument and executes it under root context. 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.

The bug was discovered 04/15/2019. The weakness was published 04/15/2019. This vulnerability is known as CVE-2018-4008 since 01/02/2018. An attack has to be approached locally. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/29/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at 133406.

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VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Countermeasuresinfoedit

Recommended: no mitigation known
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0-Day Time: 🔍

Timelineinfoedit

01/02/2018 🔍
04/15/2019 +468 days 🔍
04/15/2019 +0 days 🔍
04/16/2019 +1 days 🔍
05/29/2020 +409 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2018-4008 (🔍)
See also: 🔍

Entryinfoedit

Created: 04/16/2019 10:23 AM
Updated: 05/29/2020 05:44 PM
Changes: (1) vulnerability_discoverydate
Complete: 🔍

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