CVE-2020-36928

Brother BRAgent 1.38 - 'WBA_Agent_Client' Unquoted Service Path

HIGH 8.5EPSS 0.3%

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.

Affected: Brother · Brother BRAgent
CVSS v4.0 VULNCHECK: 8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULNCHECK: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.26% chance of exploitation in the next 30 days, 16th percentile
Published: 2026-01-15
Updated: 2026-01-16

Proof-of-concept exploits (1)

https://www.exploit-db.com/exploits/50010

Security advisories

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

References

CVE Record
NVD entry