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cve[email protected]CVE-2021-20872
HistoryJan 04, 2022 - 4:15 a.m.

CVE-2021-20872

2022-01-0404:15:00
NVD-CWE-Other
[email protected]
web.nvd.nist.gov
23
cve-2021-20872
konica minolta
bizhub series
vulnerability
firmware
integrity verification
physical attack

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.3 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

41.9%

JSON

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.

CPENameOperatorVersion
konicaminolta:bizhub_c759_firmwarekonicaminolta bizhub c759 firmwareltgca-y1
konicaminolta:bizhub_c659_firmwarekonicaminolta bizhub c659 firmwareltgca-y1
konicaminolta:bizhub_c658_firmwarekonicaminolta bizhub c658 firmwareltgca-y1
konicaminolta:bizhub_c558_firmwarekonicaminolta bizhub c558 firmwareltgca-y1
konicaminolta:bizhub_c458_firmwarekonicaminolta bizhub c458 firmwareltgca-y1
konicaminolta:bizhub_958_firmwarekonicaminolta bizhub 958 firmwareltgca-y1
konicaminolta:bizhub_808_firmwarekonicaminolta bizhub 808 firmwareltgca-y1
konicaminolta:bizhub_758_firmwarekonicaminolta bizhub 758 firmwareltgca-y1
konicaminolta:bizhub_658e_firmwarekonicaminolta bizhub 658e firmwareltgca-y1
konicaminolta:bizhub_558e_firmwarekonicaminolta bizhub 558e firmwareltgca-y1
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Design/Logic Flaw
2022-01-04 04:15:00
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CVE-2021-20872
2022-01-04 03:05:27

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.3 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

41.9%

JSON
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