What is CVE-2021-43471?

CVE-2021-43471 is a high-severity vulnerability in Canon Lbp223dw, classified under Weak Password Requirements. CVSS score: 7.5/10. Published 2021-12-06.

How severe is CVE-2021-43471?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-43471 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Canon Lbp223dw

CVE-2021-43471

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.

EPSS: 0.014 (70.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-521 — Weak Password Requirements

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43471?: CVE-2021-43471 is a high-severity vulnerability in Canon Lbp223dw, classified under Weak Password Requirements. CVSS score: 7.5/10. Published 2021-12-06.
How severe is CVE-2021-43471?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-43471 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.