CVE-2021-20872
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…
Does this matter?
Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Affected
- konicaminolta/bizhub c759 firmware · konicaminolta/bizhub c659 firmware · konicaminolta/bizhub c658 firmware · konicaminolta/bizhub c558 firmware · konicaminolta/bizhub c458 firmware · konicaminolta/bizhub 958 firmware · konicaminolta/bizhub 808 firmware · konicaminolta/bizhub 758 firmware · konicaminolta/bizhub 658e firmware · konicaminolta/bizhub 558e firmware · konicaminolta/bizhub 458e firmware · konicaminolta/bizhub c287 firmware · konicaminolta/bizhub c227 firmware · konicaminolta/bizhub 287 firmware · konicaminolta/bizhub 227 firmware · konicaminolta/bizhub 368e firmware · konicaminolta/bizhub 308e firmware · konicaminolta/bizhub c368 firmware · konicaminolta/bizhub c308 firmware · konicaminolta/bizhub c258 firmware · +32 more
- Source
- vultures@jpcert.or.jp
References
- https://jvn.jp/en/vu/JVNVU95192472/index.htmlThird Party Advisory, VDB Entry
- https://jvn.jp/vu/JVNVU95192472/index.htmlThird Party Advisory, VDB Entry
- https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.htmlMitigation, Vendor Advisory
- https://www.konicaminolta.jp/business/support/important/211224_01_01.htmlMitigation, Vendor Advisory
- https://jvn.jp/en/vu/JVNVU95192472/index.htmlThird Party Advisory, VDB Entry
- https://jvn.jp/vu/JVNVU95192472/index.htmlThird Party Advisory, VDB Entry
- https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.htmlMitigation, Vendor Advisory
- https://www.konicaminolta.jp/business/support/important/211224_01_01.htmlMitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.