SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43471

An attacker can remotely shut down the device after entering the background, creating a denial of service vulnerability.

HIGH 7.5EPSS 1.44%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.44% probability · 72th percentile
CISA KEV
Not listed
Weakness
CWE-521
Affected
canon/lbp223dw firmware
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.