High severity7.5NVD Advisory· Published Dec 6, 2021· Updated Jun 17, 2026
CVE-2021-43471
CVE-2021-43471
Description
In Canon LBP223 printers, the System Manager Mode login does not require an account password or PIN. An attacker can remotely shut down the device after entering the background, creating a denial of service vulnerability.
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Affected products
3- cpe:2.3:o:canon:lbp223dw_firmware:-:*:*:*:*:*:*:*
- Canon/LBP223 printersdescription
Patches
Vulnerability mechanics
News mentions
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