CVE-2021-20872

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.

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory konicaminolta.com Vendor Advisory konicaminolta.jp
Affected: KONICA MINOLTA, INC. bizhub series
Published at:
Updated at:

References

Link Tags
https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.html mitigation vendor advisory
https://www.konicaminolta.jp/business/support/important/211224_01_01.html mitigation vendor advisory
https://jvn.jp/en/vu/JVNVU95192472/index.html vdb entry third party advisory
https://jvn.jp/vu/JVNVU95192472/index.html vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20872?
CVE-2021-20872 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20872?
To fix CVE-2021-20872, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20872 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20872 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20872?
CVE-2021-20872 affects KONICA MINOLTA, INC. bizhub series.
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