Unquoted Service Path Vulnerability in Brother BRAgent
CVE-2020-36928

8.5HIGH

Key Information:

Vendor

Brother

Status
Brother Bragent
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36928?

The Brother BRAgent version 1.38 contains a vulnerability characterized by an unquoted service path in the WBA_Agent_Client service. This service operates with LocalSystem privileges, which allows potential attackers to exploit the unquoted path located in C:\Program Files (x86)\Brother\BRAgent. By doing so, attackers could inject and execute malicious code, effectively gaining elevated system permissions and control over the affected system.

Affected Version(s)

Brother BRAgent 1.38

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36928 - Proof of Concept

References

https://www.exploit-db.com/exploits/50010
exploit
https://help.brother-usa.com/app/answers/detail/a_id/1747...
product
https://www.vulncheck.com/advisories/brother-bragent-wbaa...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Brian Rodriguez
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