Skip to content
Fencer Vulns
medium 6.5

CVE-2021-20871 json

Exposure of sensitive information to an unauthorized actor vulnerability in KONICA MINOLTA bizhub series (bizhub C750i G00-35 and earlier,…

published 2022-01-04 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8280

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Exposure of sensitive information to an unauthorized actor 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 the credentials if the destination information including credentials are registered in the address book via a specific SOAP message.

Patch / fix

  • konicaminolta bizhub_c750i_firmware g00-e9
  • konicaminolta bizhub_c650i_firmware g00-e9
  • konicaminolta bizhub_c550i_firmware g00-e9
  • konicaminolta bizhub_c450i_firmware g00-e9
  • konicaminolta bizhub_c360i_firmware g00-e9
  • konicaminolta bizhub_c300i_firmware g00-e9
  • konicaminolta bizhub_c250i_firmware g00-e9
  • konicaminolta bizhub_750i_firmware g00-e9
  • konicaminolta bizhub_650i_firmware g00-e9
  • konicaminolta bizhub_550i_firmware g00-e9
  • konicaminolta bizhub_450i_firmware g00-e9
  • konicaminolta bizhub_360i_firmware g00-e9
  • konicaminolta bizhub_300i_firmware g00-e9
  • konicaminolta bizhub_c287i_firmware g00-e9
  • konicaminolta bizhub_c257i_firmware g00-e9
  • konicaminolta bizhub_c227i_firmware g00-e9
  • konicaminolta bizhub_306i_firmware g00-e9
  • konicaminolta bizhub_266i_firmware g00-e9
  • konicaminolta bizhub_226i_firmware g00-e9
  • konicaminolta bizhub_c759_firmware gca-y1

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.9 AV:A/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • KONICA MINOLTA, INC. bizhub series

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.