7.8

CVE-2021-43471: canon lbp223dw_firmware Weak Password Requirements

CVSS: 7.8v2.0HighModified
Published 06-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-43471 is a high (CVSS 7.8) Weak Password Requirements vulnerability in canon lbp223dw_firmware. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
1.49%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 06-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.49%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

+0.05 pp

From 1.44% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cve 1

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Canon1 product

1 vendor · 1 product

References

1 links