TI-2021-19392 Aliases CVE-2021-43471 GHSA-w2mh-7rhp-pm58

In Canon LBP223 printers, the System Manager Mode login does not require an account…

LOW 36CWE-521Published 2021-12-06 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-521.

Summary

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.

Why it matters now

EPSS 0.01486 74th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:canon:lbp223dw_firmware:-:::::::*	not specified by NVD	Vulnerable	Canon Inc.
cpe:2.3:h:canon:lbp223dw:-:::::::*	not specified by NVD	Running on	Canon Inc.

cpe:2.3:o:canon:lbp223dw_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Canon Inc.
cpe:2.3:h:canon:lbp223dw:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Canon Inc.

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-43471
2026-10-03 Alias added: GHSA-w2mh-7rhp-pm58

References

Exploit 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences