Shimo VPN 4.1.5.1 Helper Service disconnectService access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Shimo VPN 4.1.5.1. It has been classified as problematic. This impacts the function disconnectService of the component Helper Service. The manipulation leads to access control. This vulnerability is traded as CVE-2018-4004. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Shimo VPN 4.1.5.1 (Network Encryption Software) and classified as problematic. This issue affects the function disconnectService of the component Helper Service. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is availability. The summary by CVE is:

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.

The bug was discovered 04/15/2019. The weakness was shared 04/17/2019. The identification of this vulnerability is CVE-2018-4004 since 01/02/2018. Attacking locally is a requirement. The requirement for exploitation is a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-133442, VDB-133441 and VDB-133440 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2018 🔍
04/15/2019 +468 days 🔍
04/17/2019 +2 days 🔍
04/17/2019 +0 days 🔍
08/29/2023 +1595 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-4004 (🔍)
GCVE (CVE): GCVE-0-2018-4004
GCVE (VulDB): GCVE-100-133439
See also: 🔍

Entryinfo

Created: 04/17/2019 22:35
Updated: 08/29/2023 14:00
Changes: 04/17/2019 22:35 (56), 05/30/2020 09:07 (1), 08/29/2023 13:55 (3), 08/29/2023 14:00 (12)
Complete: 🔍
Cache ID: 216::103

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