Medium severity4.5NVD Advisory· Published Jan 4, 2022· Updated Jun 17, 2026

CVE-2021-20868

Description

Incorrect authorization 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 C4050i/C3350i/C4000i/C3300i G00-B6 and earlier, bizhub C3320i G00-B6 and earlier, bizhub 4750i/4050i G00-22 and earlier, bizhub 4700i G00-22 and earlier, bizhub C3851FS/C3851/C3351 GC9-X4 and earlier, and bizhub 4752/4052 GC9-X4 and earlier) allows an attacker on the adjacent network to obtain user credentials if external server authentication is enabled via a specific SOAP message sent by an administrative user.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Konicaminolta/Bizhub 224e Firmware
cpe:2.3:o:konicaminolta:bizhub_224e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub 226i Firmware
cpe:2.3:o:konicaminolta:bizhub_226i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 227 Firmware
cpe:2.3:o:konicaminolta:bizhub_227_firmware:*:*:*:*:*:*:*:*
Range: <gca-y0
Konicaminolta/Bizhub 246i Firmware
cpe:2.3:o:konicaminolta:bizhub_246i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 266i Firmware
cpe:2.3:o:konicaminolta:bizhub_266i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 284e Firmware
cpe:2.3:o:konicaminolta:bizhub_284e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub 287 Firmware
cpe:2.3:o:konicaminolta:bizhub_287_firmware:*:*:*:*:*:*:*:*
Range: <gca-y0
Konicaminolta/Bizhub 300i Firmware
cpe:2.3:o:konicaminolta:bizhub_300i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 306i Firmware
cpe:2.3:o:konicaminolta:bizhub_306i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 308 Firmware
cpe:2.3:o:konicaminolta:bizhub_308_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub 308e Firmware
cpe:2.3:o:konicaminolta:bizhub_308e_firmware:*:*:*:*:*:*:*:*
Range: <gca-x8
Konicaminolta/Bizhub 360i Firmware
cpe:2.3:o:konicaminolta:bizhub_360i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 364e Firmware
cpe:2.3:o:konicaminolta:bizhub_364e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub 368 Firmware
cpe:2.3:o:konicaminolta:bizhub_368_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub 368e Firmware
cpe:2.3:o:konicaminolta:bizhub_368e_firmware:*:*:*:*:*:*:*:*
Range: <gca-x8
Konicaminolta/Bizhub 4050i Firmware
cpe:2.3:o:konicaminolta:bizhub_4050i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 4052 Firmware
cpe:2.3:o:konicaminolta:bizhub_4052_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub 450i Firmware
cpe:2.3:o:konicaminolta:bizhub_450i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 454e Firmware
cpe:2.3:o:konicaminolta:bizhub_454e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub 458 Firmware
cpe:2.3:o:konicaminolta:bizhub_458_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub 458e Firmware
cpe:2.3:o:konicaminolta:bizhub_458e_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub 4700i Firmware
cpe:2.3:o:konicaminolta:bizhub_4700i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 4750i Firmware
cpe:2.3:o:konicaminolta:bizhub_4750i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 4752 Firmware
cpe:2.3:o:konicaminolta:bizhub_4752_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub 550i Firmware
cpe:2.3:o:konicaminolta:bizhub_550i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 554e Firmware
cpe:2.3:o:konicaminolta:bizhub_554e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub 558 Firmware
cpe:2.3:o:konicaminolta:bizhub_558_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub 558e Firmware
cpe:2.3:o:konicaminolta:bizhub_558e_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub 650i Firmware
cpe:2.3:o:konicaminolta:bizhub_650i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 654 Firmware
cpe:2.3:o:konicaminolta:bizhub_654_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub 654e Firmware
cpe:2.3:o:konicaminolta:bizhub_654e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m0
Konicaminolta/Bizhub 658e Firmware
cpe:2.3:o:konicaminolta:bizhub_658e_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub 750i Firmware
cpe:2.3:o:konicaminolta:bizhub_750i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub 754 Firmware
cpe:2.3:o:konicaminolta:bizhub_754_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub 754e Firmware
cpe:2.3:o:konicaminolta:bizhub_754e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m0
Konicaminolta/Bizhub 758 Firmware
cpe:2.3:o:konicaminolta:bizhub_758_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub 808 Firmware
cpe:2.3:o:konicaminolta:bizhub_808_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub 958 Firmware
cpe:2.3:o:konicaminolta:bizhub_958_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub C224 Firmware
cpe:2.3:o:konicaminolta:bizhub_c224_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub C224e Firmware
cpe:2.3:o:konicaminolta:bizhub_c224e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub C227 Firmware
cpe:2.3:o:konicaminolta:bizhub_c227_firmware:*:*:*:*:*:*:*:*
Range: <gca-y0
Konicaminolta/Bizhub C227i Firmware
cpe:2.3:o:konicaminolta:bizhub_c227i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C250i Firmware
cpe:2.3:o:konicaminolta:bizhub_c250i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C257i Firmware
cpe:2.3:o:konicaminolta:bizhub_c257i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C258 Firmware
cpe:2.3:o:konicaminolta:bizhub_c258_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub C284 Firmware
cpe:2.3:o:konicaminolta:bizhub_c284_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub C284e Firmware
cpe:2.3:o:konicaminolta:bizhub_c284e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub C287 Firmware
cpe:2.3:o:konicaminolta:bizhub_c287_firmware:*:*:*:*:*:*:*:*
Range: <gca-y0
Konicaminolta/Bizhub C287i Firmware
cpe:2.3:o:konicaminolta:bizhub_c287i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C300i Firmware
cpe:2.3:o:konicaminolta:bizhub_c300i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C308 Firmware
cpe:2.3:o:konicaminolta:bizhub_c308_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub C3300i Firmware
cpe:2.3:o:konicaminolta:bizhub_c3300i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C3320i Firmware
cpe:2.3:o:konicaminolta:bizhub_c3320i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C3350i Firmware
cpe:2.3:o:konicaminolta:bizhub_c3350i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C3351 Firmware
cpe:2.3:o:konicaminolta:bizhub_c3351_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub C360i Firmware
cpe:2.3:o:konicaminolta:bizhub_c360i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C364 Firmware
cpe:2.3:o:konicaminolta:bizhub_c364_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub C364e Firmware
cpe:2.3:o:konicaminolta:bizhub_c364e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub C368 Firmware
cpe:2.3:o:konicaminolta:bizhub_c368_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub C3851 Firmware
cpe:2.3:o:konicaminolta:bizhub_c3851_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub C3851fs Firmware
cpe:2.3:o:konicaminolta:bizhub_c3851fs_firmware:*:*:*:*:*:*:*:*
Range: <gca-x4
Konicaminolta/Bizhub C4000i Firmware
cpe:2.3:o:konicaminolta:bizhub_c4000i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C4050i Firmware
cpe:2.3:o:konicaminolta:bizhub_c4050i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C450i Firmware
cpe:2.3:o:konicaminolta:bizhub_c450i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C454 Firmware
cpe:2.3:o:konicaminolta:bizhub_c454_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub C454e Firmware
cpe:2.3:o:konicaminolta:bizhub_c454e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub C458 Firmware
cpe:2.3:o:konicaminolta:bizhub_c458_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub C550i Firmware
cpe:2.3:o:konicaminolta:bizhub_c550i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C554 Firmware
cpe:2.3:o:konicaminolta:bizhub_c554_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub C554e Firmware
cpe:2.3:o:konicaminolta:bizhub_c554e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m1
Konicaminolta/Bizhub C558 Firmware
cpe:2.3:o:konicaminolta:bizhub_c558_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub C650i Firmware
cpe:2.3:o:konicaminolta:bizhub_c650i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C654 Firmware
cpe:2.3:o:konicaminolta:bizhub_c654_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub C654e Firmware
cpe:2.3:o:konicaminolta:bizhub_c654e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m0
Konicaminolta/Bizhub C658 Firmware
cpe:2.3:o:konicaminolta:bizhub_c658_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub C659 Firmware
cpe:2.3:o:konicaminolta:bizhub_c659_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/Bizhub C750i Firmware
cpe:2.3:o:konicaminolta:bizhub_c750i_firmware:*:*:*:*:*:*:*:*
Range: <g00-e9
Konicaminolta/Bizhub C754 Firmware
cpe:2.3:o:konicaminolta:bizhub_c754_firmware:*:*:*:*:*:*:*:*
Range: <gr4-m0
Konicaminolta/Bizhub C754e Firmware
cpe:2.3:o:konicaminolta:bizhub_c754e_firmware:*:*:*:*:*:*:*:*
Range: <gdr-m0
Konicaminolta/Bizhub C759 Firmware
cpe:2.3:o:konicaminolta:bizhub_c759_firmware:*:*:*:*:*:*:*:*
Range: <gca-y1
Konicaminolta/bizhub C650i/C550i/C450illm-create
Range: G00-B6 and earlier
Konicaminolta/bizhub seriesllm-fuzzy
Range: G00-35 and earlier, G00-B6 and earlier, G00-37 and earlier, G00-33 and earlier, G00-19 and earlier, GC7-X8 and earlier, GC9-X4 and earlier, GDQ-M0 and earlier, GDQ-M1 and earlier, GR1-M0 and earlier, G00-22 and earlier
Konicaminolta/bizhub C750illm-fuzzy
Range: G00-35 and earlier
KONICA MINOLTA, INC./bizhub seriesv5
Range: 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 C4050i/C3350 ...[truncated*]

Patches

Vulnerability mechanics

References

jvn.jp/en/vu/JVNVU95192472/index.htmlnvdThird Party AdvisoryVDB Entry
jvn.jp/vu/JVNVU95192472/index.htmlnvdThird Party AdvisoryVDB Entry
www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.htmlnvdMitigationVendor Advisory
www.konicaminolta.jp/business/support/important/211224_01_01.htmlnvdMitigationVendor Advisory

News mentions

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cvss	0.293
epss	0.000
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