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  • Multiple vulnerabilities in B/W small multifunction and single-function printers

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Multiple vulnerabilities in B/W small multifunction and single-function printers

Dear Customers,

We deeply appreciate your constant patronage to Konica Minolta products.

Multiple security vulnerabilities have been newly identified in the indicated models.

This advisory provides an overview of the issues and the recommended countermeasures.

Please note that, at the time of writing (June 25th, 2025), there have been no confirmed security incidents globally resulting from the exploitation of these vulnerabilities.

Overview of the vulnerabilities

Ref. ID

Vulnerabilities description

Reference web site

CVE-2017-9765

Stack Buffer Overflow Vulnerability


https://www.cve.org/CVERecord?id=CVE-2017-9765

CVE-2024-2169

Infinite Loop of Messages Between Servers


https://www.cve.org/CVERecord?id=CVE-2024-2169

CVE-2024-51977

Possibility of information leakage in the printer


https://www.cve.org/CVERecord?id=CVE-2024-51977

CVE-2024-51978

Possibility of Authentication Bypass


https://www.cve.org/CVERecord?id=CVE-2024-51978

CVE-2024-51979

Possible Stack Overflow


https://www.cve.org/CVERecord?id=CVE-2024-51979

CVE-2024-51980

Possibility of a forced TCP connection


https://www.cve.org/CVERecord?id=CVE-2024-51980

CVE-2024-51981

Possibility of arbitrary HTTP request execution


https://www.cve.org/CVERecord?id=CVE-2024-51981

CVE-2024-51983

External attacks can cause device to crash


https://www.cve.org/CVERecord?id=CVE-2024-51983

CVE-2024-51984

Possibility of information leakage in the printer due to pass-back attacks


https://www.cve.org/CVERecord?id=CVE-2024-51984

Note: CVE-2024-51978 and CVE-2024-51979 have no impact on bizhub 3080MF/3000MF

Affected Models and the countermeasure firmware

Product name

Program name

Affected version

Fixed version

bizhub 5020i

Main-Firmware

U2406280431（Ver R） or earlier

U2412241059 (Ver S）or later

Sub-Firmware

1.13 or earlier

1.15 or later

bizhub 5000i

Main-Firmware

1.32 or earlier

1.33 or later

Sub-Firmware

1.13 or earlier

1.15 or later

bizhub 4020i

Main-Firmware

U2406280431（Ver R）or earlier

U2412241059（Ver S）or later

Sub-Firmware

1.13 or earlier

1.15 or later

bizhub 4000i

Main-Firmware

1.28 or earlier

1.29 or later

Sub-Firmware

1.13 or earlier

1.15 or later

bizhub 3080MF

Controller firmware

N2403271808 or earlier

P2412101158 or later

bizhub 3000MF

Controller firmware

M2403271743 or earlier

N2412101132 or later

Remediations

  • Download the Firmware Update Tool from
    Drivers & Download     (Software Applications) and upgrade the firmware of your device.
    • Before proceeding, please refer to the attached Firmware Update Procedure guide.
  • If the default administrator password has not yet been changed, it is strongly recommended to update it to a complex and unique password immediately after the update.

Download Firmware Update Procedure Guide

Vulnerability Specific Recommendations

Ref. ID

Mitigations

CVE-2017-9765

Disable WSD feature.

CVE-2024-2169

Disable TFTP.

CVE-2024-51977

Upgrade to the latest firmware. (There is no workaround available.)

CVE-2024-51978

Change the administrator password from the default value.

CVE-2024-51979

Change the administrator password from the default value.

CVE-2024-51980

Disable WSD feature.

CVE-2024-51981

Disable WSD feature.

CVE-2024-51983

Disable WSD feature.

CVE-2024-51984

Disable WSD feature.

General Security Recommendations

To ensure a secure operating posture for your multifunction devices, and to reduce exposure to the vulnerabilities described in this advisory, Konica Minolta strongly recommends applying the following configuration best practices:

Enhancing the Security of Products and Services

Konica Minolta considers the security of its products and services to be an important responsibility and will continue to actively respond to incidents and vulnerabilities.

More information

Contact

Should you require further clarification or assistance with implementing the recommended measures or applying the relevant firmware update, please contact your authorized Konica Minolta service representative.