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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.015 (73.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-43471: held from 0.014 to 0.015.

EPSS over last 30 days · oldest: 0.014 · newest: 0.015 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.