Brother BRAgent 1.38 WBA_Agent_Client Service unquoted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Brother BRAgent 1.38. This vulnerability affects unknown code of the component WBA_Agent_Client Service. The manipulation leads to unquoted search path. This vulnerability is documented as CVE-2020-36928. The attack needs to be performed locally. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Brother BRAgent 1.38. It has been rated as critical. This issue affects an unknown functionality of the component WBA_Agent_Client 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:

Brother BRAgent 1.38 contains an unquoted service path vulnerability in the WBA_Agent_Client service running with LocalSystem privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Brother\BRAgent\ to inject and execute malicious code with elevated system permissions.

The weakness was released by Brian Rodriguez as 50010. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2020-36928 since 01/10/2026. The exploitation is known to be difficult. Attacking locally is a requirement. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1574.009 according to MITRE ATT&CK.

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 (50010). Statistical analysis made it clear that VulDB provides the best quality for 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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/10/2026 CVE reserved
01/16/2026 +6 days Advisory disclosed
01/16/2026 +0 days VulDB entry created
01/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 50010
Researcher: Brian Rodriguez
Status: Not defined

CVE: CVE-2020-36928 (🔒)
GCVE (CVE): GCVE-0-2020-36928
GCVE (VulDB): GCVE-100-341531
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2026 09:50
Changes: 01/16/2026 09:50 (80)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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