CVE-2021-20872
KONICA MINOLTA bizhub series Firmware Integrity Verification Bypass 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.
INFO
Published Date :
Jan. 4, 2022, 4:15 a.m.
Last Modified :
Jan. 13, 2022, 1:33 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.9
Affected Products
The following products are affected by CVE-2021-20872
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-20872.
| URL | Resource |
|---|---|
| https://jvn.jp/en/vu/JVNVU95192472/index.html | Third Party Advisory VDB Entry |
| https://jvn.jp/vu/JVNVU95192472/index.html | Third Party Advisory VDB Entry |
| https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.html | Mitigation Vendor Advisory |
| https://www.konicaminolta.jp/business/support/important/211224_01_01.html | Mitigation Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-20872 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20872 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 13, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://jvn.jp/en/vu/JVNVU95192472/index.html No Types Assigned https://jvn.jp/en/vu/JVNVU95192472/index.html Third Party Advisory, VDB Entry Changed Reference Type https://jvn.jp/vu/JVNVU95192472/index.html No Types Assigned https://jvn.jp/vu/JVNVU95192472/index.html Third Party Advisory, VDB Entry Changed Reference Type https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.html No Types Assigned https://www.konicaminolta.com/global/newsroom/topics/2021/1224-01-01.html Mitigation, Vendor Advisory Changed Reference Type https://www.konicaminolta.jp/business/support/important/211224_01_01.html No Types Assigned https://www.konicaminolta.jp/business/support/important/211224_01_01.html Mitigation, Vendor Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c759_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_c759:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c659_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_c659:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c658_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_c658:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c558_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_c558:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c458_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_c458:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_958_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_958:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_808_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_808:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_758_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_758:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_658e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_658e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_558e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_558e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_458e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y1 OR cpe:2.3:h:konicaminolta:bizhub_458e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c287_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y0 OR cpe:2.3:h:konicaminolta:bizhub_c287:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c227_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y0 OR cpe:2.3:h:konicaminolta:bizhub_c227:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_287_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y0 OR cpe:2.3:h:konicaminolta:bizhub_287:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_227_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-y0 OR cpe:2.3:h:konicaminolta:bizhub_227:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_368e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x8 OR cpe:2.3:h:konicaminolta:bizhub_368e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_308e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x8 OR cpe:2.3:h:konicaminolta:bizhub_308e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c368_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_c368:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c308_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_c308:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c258_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_c258:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_558_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_558:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_458_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_458:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_368_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_368:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_308_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_308:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c754e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m0 OR cpe:2.3:h:konicaminolta:bizhub_c754e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c654e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m0 OR cpe:2.3:h:konicaminolta:bizhub_c654e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_754e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m0 OR cpe:2.3:h:konicaminolta:bizhub_754e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_654e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m0 OR cpe:2.3:h:konicaminolta:bizhub_654e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c554e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_c554e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c454e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_c454e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c364e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_c364e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c284e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_c284e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c224e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_c224e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_554e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_554e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_454e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_454e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_364e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_364e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_284e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_284e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_224e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gdr-m1 OR cpe:2.3:h:konicaminolta:bizhub_224e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c754_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_c754:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c654_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_c654:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c554_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_c554:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c454_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_c454:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c364_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_c364:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c284_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_c284:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c224_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_c224:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_754_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_754:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_654_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gr4-m0 OR cpe:2.3:h:konicaminolta:bizhub_654:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c3851fs_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_c3851fs:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c3851_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_c3851:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_c3351_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_c3351:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_4752_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_4752:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:konicaminolta:bizhub_4052_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gca-x4 OR cpe:2.3:h:konicaminolta:bizhub_4052:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20872 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-20872
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} 0.01%
score
0.51074
percentile