CVE-2021-47869

CVE-2021-47869 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.

Key facts

Description

Brother BRAdmin Professional 3.75 contains an unquoted service path vulnerability in the BRA_Scheduler service that allows local users to potentially execute arbitrary code. Attackers can place a malicious executable named 'BRAdmin' in the C:\Program Files (x86)\Brother\ directory to gain local system privileges.

Frequently asked questions

What is CVE-2021-47869?
Brother BRAdmin Professional 3.75 contains an unquoted service path vulnerability in the BRA_Scheduler service that allows local users to potentially execute arbitrary code. Attackers can place a malicious executable named 'BRAdmin' in the C:\Program Files (x86)\Brother\ directory to gain local system privileges.
How severe is CVE-2021-47869?
CVE-2021-47869 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-47869 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2021-47869?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2021-47869 have an EU (EUVD) identifier?
Yes. CVE-2021-47869 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3638.
When was CVE-2021-47869 published?
CVE-2021-47869 was published on 2026-01-21 and last updated on 2026-06-17.

References

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