Vulnerability Reference: CVE-2020-11896 etc. Solutions for Multiple Vulnerabilities

These vulnerabilities may affect your machine if it receives improper data. To avoid receiving improper data, use the machine on a network protected by a firewall or a router.

Check the affected model list.



We recommend using the machine on a network protected by a firewall or a router.



The supported software will be available soon. Check the affected model list. When the status for your model is listed as "Available", update your machine's firmware to the latest version.



It was discovered that multiple potential vulnerabilities exist in the networking stack used in Brother products. Our investigation shows that the machine operation may stop or a part of the machine’s internal memory may be read if the machine is not protected by a firewall or a router and receives intentionally created improper data. However, data such as the stored data cannot be read.


For more information, see the reference sites below:

Reference Base Vector Base Score Reference Site
CVE-2019-12264 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 6.5
CVE-2020-11896 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H 8.2
CVE-2020-11898 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 7.5
CVE-2020-11900 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H 8.2
CVE-2020-11901 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H 7.5
CVE-2020-11902 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 5.3
CVE-2020-11903 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 6.5
CVE-2020-11906 CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L 5.0
CVE-2020-11907 CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L 5.0
CVE-2020-11908 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 4.3
CVE-2020-11909 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N 3.7
CVE-2020-11910 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N 3.7
CVE-2020-11911 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L 3.7
CVE-2020-11912 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N 3.7
CVE-2020-11913 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L 3.7
CVE-2020-11914 CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N 3.1


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