CVE-2023-0858

MEDIUM
5.3
CVSS Score
Published: May 11, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:26 AM UTC
91 products affected across 1 vendorMF273DW FirmwareMF272DW FirmwareMF275DW Firmware

Using Canon Office/Small Office Multifunction Printers and Laser Printers by Canon Inc.?

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Improper Authentication of RemoteUI of Office / Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger unauthorized access to the product. *:Satera LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 11.04
canon-i-sensys-lbp621cw (same device)
v ≤ 11.04
canon-i-sensys-lbp623cdw (same device)
v ≤ 11.04
canon-i-sensys-lbp633cdw (same device)
v ≤ 11.04
canon-i-sensys-lbp664cx (same device)
v ≤ 11.04
canon-i-sensys-mf641cw (same device)
v ≤ 11.04
canon-i-sensys-mf643cdw (same device)
v ≤ 11.04
canon-i-sensys-mf645cx (same device)
v ≤ 11.04
canon-i-sensys-mf742cdw (same device)
v ≤ 11.04
canon-i-sensys-mf744cdw (same device)
v ≤ 11.04
canon-i-sensys-mf746cx (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284CWE-287

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