CVE-2021-20872

Published: Jan 4, 2022Modified: Nov 21, 2024

6.8

Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 0.9 / Impact: 5.9

Source: NVD

Description

Protection mechanism failure vulnerability in KONICA MINOLTA bizhub series (bizhub C750i G00-35 and earlier, bizhub C650i/C550i/C450i G00-B6 and earlier, bizhub C360i/C300i/C250i G00-B6 and earlier, bizhub 750i/650i/550i/450i G00-37 and earlier, bizhub 360i/300i G00-33 and earlier, bizhub C287i/C257i/C227i G00-19 and earlier, bizhub 306i/266i/246i/226i G00-B6 and earlier, bizhub C759/C659 GC7-X8 and earlier, bizhub C658/C558/C458 GC7-X8 and earlier, bizhub 958/808/758 GC7-X8 and earlier, bizhub 658e/558e/458e GC7-X8 and earlier, bizhub C287/C227 GC7-X8 and earlier, bizhub 287/227 GC7-X8 and earlier, bizhub 368e/308e GC7-X8 and earlier, bizhub C368/C308/C258 GC9-X4 and earlier, bizhub 558/458/368/308 GC9-X4 and earlier, bizhub C754e/C654e GDQ-M0 and earlier, bizhub 754e/654e GDQ-M0 and earlier, bizhub C554e/C454e GDQ-M1 and earlier, bizhub C364e/C284e/C224e GDQ-M1 and earlier, bizhub 554e/454e/364e/284e/224e GDQ-M1 and earlier, bizhub C754/C654 C554/C454 GR1-M0 and earlier, bizhub C364/C284/C224 GR1-M0 and earlier, bizhub 754/654 GR1-M0 and earlier, bizhub C3851FS/C3851/C3351 GC9-X4 and earlier, bizhub 4752/4052 GC9-X4 and earlier) allows a physical attacker to bypass the firmware integrity verification and to install malicious firmware.

Affected (52)

52 products

Bizhub C754e Firmware

Bizhub C654e Firmware

Bizhub 754e Firmware

Bizhub 654e Firmware

Bizhub C554e Firmware

Bizhub C454e Firmware

Bizhub C364e Firmware

Bizhub C284e Firmware

Bizhub C224e Firmware

Bizhub C3851fs Firmware

Bizhub C3851 Firmware

Bizhub C3351 Firmware

Bizhub 4752 Firmware

Bizhub 4052 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C759 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub C759	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C659 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub C659	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C658 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub C658	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C558 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub C558	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C458 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub C458	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 958 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub 958	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 808 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub 808	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 758 Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub 758	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 658e Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub 658e	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 558e Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub 558e	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 458e Firmware	Before gca-y1

Running on/with	Platform Versions
Konicaminolta Bizhub 458e	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C287 Firmware	Before gca-y0

Running on/with	Platform Versions
Konicaminolta Bizhub C287	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C227 Firmware	Before gca-y0

Running on/with	Platform Versions
Konicaminolta Bizhub C227	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 287 Firmware	Before gca-y0

Running on/with	Platform Versions
Konicaminolta Bizhub 287	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 227 Firmware	Before gca-y0

Running on/with	Platform Versions
Konicaminolta Bizhub 227	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 368e Firmware	Before gca-x8

Running on/with	Platform Versions
Konicaminolta Bizhub 368e	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 308e Firmware	Before gca-x8

Running on/with	Platform Versions
Konicaminolta Bizhub 308e	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C368 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub C368	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C308 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub C308	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C258 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub C258	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 558 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub 558	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 458 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub 458	All versions

Configuration W

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 368 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub 368	All versions

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 308 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub 308	All versions

Configuration Y

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C754e Firmware	Before gdr-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C754e	All versions

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C654e Firmware	Before gdr-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C654e	All versions

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 754e Firmware	Before gdr-m0

Running on/with	Platform Versions
Konicaminolta Bizhub 754e	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 654e Firmware	Before gdr-m0

Running on/with	Platform Versions
Konicaminolta Bizhub 654e	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C554e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub C554e	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C454e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub C454e	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C364e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub C364e	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C284e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub C284e	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C224e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub C224e	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 554e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub 554e	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 454e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub 454e	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 364e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub 364e	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 284e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub 284e	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 224e Firmware	Before gdr-m1

Running on/with	Platform Versions
Konicaminolta Bizhub 224e	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C754 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C754	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C654 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C654	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C554 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C554	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C454 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C454	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C364 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C364	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C284 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C284	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C224 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub C224	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 754 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub 754	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 654 Firmware	Before gr4-m0

Running on/with	Platform Versions
Konicaminolta Bizhub 654	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C3851fs Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub C3851fs	All versions

Configuration W

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C3851 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub C3851	All versions

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub C3351 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub C3351	All versions

Configuration Y

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 4752 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub 4752	All versions

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Konicaminolta Bizhub 4052 Firmware	Before gca-x4

Running on/with	Platform Versions
Konicaminolta Bizhub 4052	All versions

References (8)

https://jvn.jp/en/vu/JVNVU95192472/index.html

Source: vultures@jpcert.or.jp

Third Party AdvisoryVDB Entry

https://jvn.jp/vu/JVNVU95192472/index.html

Source: vultures@jpcert.or.jp

Third Party AdvisoryVDB Entry

https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.html

Source: vultures@jpcert.or.jp

MitigationVendor Advisory

https://www.konicaminolta.jp/business/support/important/211224_01_01.html

Source: vultures@jpcert.or.jp

MitigationVendor Advisory

https://jvn.jp/en/vu/JVNVU95192472/index.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://jvn.jp/vu/JVNVU95192472/index.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.html

Source: af854a3a-2127-422b-91ae-364da2661108

MitigationVendor Advisory

https://www.konicaminolta.jp/business/support/important/211224_01_01.html

Source: af854a3a-2127-422b-91ae-364da2661108

MitigationVendor Advisory

Timeline

No history available yet.