Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Konicaminolta | Bizhub C759 Firmware | < gca-y1 |
| Konicaminolta | Bizhub C759 | - |
| Konicaminolta | Bizhub C659 Firmware | < gca-y1 |
| Konicaminolta | Bizhub C659 | - |
| Konicaminolta | Bizhub C658 Firmware | < gca-y1 |
| Konicaminolta | Bizhub C658 | - |
| Konicaminolta | Bizhub C558 Firmware | < gca-y1 |
| Konicaminolta | Bizhub C558 | - |
| Konicaminolta | Bizhub C458 Firmware | < gca-y1 |
| Konicaminolta | Bizhub C458 | - |
| Konicaminolta | Bizhub 958 Firmware | < gca-y1 |
| Konicaminolta | Bizhub 958 | - |
| Konicaminolta | Bizhub 808 Firmware | < gca-y1 |
| Konicaminolta | Bizhub 808 | - |
| Konicaminolta | Bizhub 758 Firmware | < gca-y1 |
| Konicaminolta | Bizhub 758 | - |
| Konicaminolta | Bizhub 658E Firmware | < gca-y1 |
| Konicaminolta | Bizhub 658E | - |
| Konicaminolta | Bizhub 558E Firmware | < gca-y1 |
| Konicaminolta | Bizhub 558E | - |
References
- https://jvn.jp/en/vu/JVNVU95192472/index.htmlThird Party AdvisoryVDB Entry
- https://jvn.jp/vu/JVNVU95192472/index.htmlThird Party AdvisoryVDB Entry
- https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.htmlMitigationVendor Advisory
- https://www.konicaminolta.jp/business/support/important/211224_01_01.htmlMitigationVendor Advisory
- https://jvn.jp/en/vu/JVNVU95192472/index.htmlThird Party AdvisoryVDB Entry
- https://jvn.jp/vu/JVNVU95192472/index.htmlThird Party AdvisoryVDB Entry
- https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.htmlMitigationVendor Advisory
- https://www.konicaminolta.jp/business/support/important/211224_01_01.htmlMitigationVendor Advisory
FAQ
What is CVE-2021-20872?
CVE-2021-20872 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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, b...
How severe is CVE-2021-20872?
CVE-2021-20872 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20872?
Check the references section above for vendor advisories and patch information. Affected products include: Konicaminolta Bizhub C759 Firmware, Konicaminolta Bizhub C759, Konicaminolta Bizhub C659 Firmware, Konicaminolta Bizhub C659, Konicaminolta Bizhub C658 Firmware.