Vembu StoreGrid 4.0 RemoteBackup_webServer Service unquoted search path

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$0-$5k2.22

Summaryinfo

A vulnerability was found in Vembu StoreGrid 4.0. It has been classified as problematic. Impacted is an unknown function of the component RemoteBackup_webServer Service. The manipulation leads to unquoted search path. This vulnerability is uniquely identified as CVE-2016-20086. Local access is required to approach this attack. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Vembu StoreGrid 4.0. This issue affects an unknown code block of the component RemoteBackup_webServer Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. Using CWE to declare the problem leads to CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Vembu StoreGrid 4.0 contains an unquoted service path vulnerability in the RemoteBackup and RemoteBackup_webServer services that allows local attackers to escalate privileges. Attackers can place a malicious executable in the unquoted path and restart the service to execute code with LocalSystem privileges.

The weakness was disclosed by Joey Lane as 40582. The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2016-20086 since 06/19/2026. The exploitation is known to be difficult. An attack has to be approached locally. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1574.009 for this issue.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (40582). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.0
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unquoted search path
CWE: CWE-428 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔒

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/19/2026 Advisory disclosed
06/19/2026 +0 days CVE reserved
06/19/2026 +0 days VulDB entry created
06/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 40582
Researcher: Joey Lane
Status: Not defined

CVE: CVE-2016-20086 (🔒)
GCVE (CVE): GCVE-0-2016-20086
GCVE (VulDB): GCVE-100-372377
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/19/2026 18:08
Changes: 06/19/2026 18:08 (80)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!