CVE-2021-43471

7.5 highEPSS 1.5%

High (7.5) in canon lbp223dw firmware. EPSS 1.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE: CWE-521
Published: 2021-12-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

canon:lbp223dw_firmware

References

https://github.com/cxaqhq/cve-1
https://github.com/cxaqhq/cve-1

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