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Konica Bizhub Multifunction Printers Firmware Tamper Detection Feature Bypass (CVE-2021-20872)

🗓️ 19 Dec 2025 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 4 Views

Bypasses Konica Bizhub firmware tamper detection to install malicious firmware.

Related
Refs
Code
ReporterTitlePublishedViews
Family
Circl		CVE-2021-20872
4 Jan 202207:38
–circl
CNNVD		KONICA MINOLTA MFPs and printing systems 安全漏洞
24 Dec 202100:00
–cnnvd
CVE		CVE-2021-20872
4 Jan 202203:05
–cve
Cvelist		CVE-2021-20872
4 Jan 202203:05
–cvelist
EUVD		EUVD-2021-8281
3 Oct 202520:07
–euvd
Japan Vulnerability Notes		Multiple vulnerabilities in KONICA MINOLTA MFPs and printing systems
28 Dec 202102:51
–jvn
NVD		CVE-2021-20872
4 Jan 202204:15
–nvd
OSV		CVE-2021-20872
4 Jan 202204:15
–osv
Prion		Design/Logic Flaw
4 Jan 202204:15
–prion
RedhatCVE		CVE-2021-20872
22 May 202520:58
–redhatcve
Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(504859);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/20");

  script_cve_id("CVE-2021-20872");

  script_name(english:"Konica Bizhub Multifunction Printers Firmware Tamper Detection Feature Bypass (CVE-2021-20872)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An attacker could bypass the tamper detection feature of the firmware and install malicious firmware.");
  script_set_attribute(attribute:"see_also", value:"https://nvd.nist.gov/vuln/detail/CVE-2021-20872");
  # https://www.konicaminolta.com/global-en/security/advisory/km-2021-0001/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2534a514");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-20872");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/01/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/12/19");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c750i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c650i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c550i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c450i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c360i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c300i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c250i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_750i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_650i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_550i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_450i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_360i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_300i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c287i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c257i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c227i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_306i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_266i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_246i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_226i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c759_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c659_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c658_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c558_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c458_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_958_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_808_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_758_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_658e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_558e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_458e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c287_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c227_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_287_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_227_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_368e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_308e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c368_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c308_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c258_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_558_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_458_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_368_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_308_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c754e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c654e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_754e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_654e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c554e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c454e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c364e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c284e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c224e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_554e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_454e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_364e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_284e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_224e_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c754_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c654_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c554_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c454_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c364_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c284_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c224_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_754_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_654_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c4050i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3350i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c4000i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3300i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3320i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_4750i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_4050i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_4700i_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3851fs_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3851_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3351_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_4752_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_4052_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3850_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3350_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_3850fs_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_4750_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_4050_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3110_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:konicaminolta:bizhub_c3100p_firmware");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Konica");

  exit(0);
}

include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Konica');

var asset = tenable_ot::assets::get(vendor:'Konica');

var vuln_cpes = {
    "cpe:/o:konicaminolta:bizhub_c750i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-35"},
    "cpe:/o:konicaminolta:bizhub_c650i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c550i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c450i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c360i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c300i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c250i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_750i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-37"},
    "cpe:/o:konicaminolta:bizhub_650i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-37"},
    "cpe:/o:konicaminolta:bizhub_550i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-37"},
    "cpe:/o:konicaminolta:bizhub_450i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-37"},
    "cpe:/o:konicaminolta:bizhub_360i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-33"},
    "cpe:/o:konicaminolta:bizhub_300i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-33"},
    "cpe:/o:konicaminolta:bizhub_c287i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-19"},
    "cpe:/o:konicaminolta:bizhub_c257i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-19"},
    "cpe:/o:konicaminolta:bizhub_c227i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-19"},
    "cpe:/o:konicaminolta:bizhub_306i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_266i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_246i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_226i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c759_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc7-x8"},
    "cpe:/o:konicaminolta:bizhub_c659_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc7-x8"},
    "cpe:/o:konicaminolta:bizhub_c658_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c558_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c458_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_958_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_808_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_758_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_658e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_558e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_458e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c287_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc7-x8"},
    "cpe:/o:konicaminolta:bizhub_c227_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc7-x8"},
    "cpe:/o:konicaminolta:bizhub_287_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_227_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_368e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc7-x8"},
    "cpe:/o:konicaminolta:bizhub_308e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc7-x8"},
    "cpe:/o:konicaminolta:bizhub_c368_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_c308_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_c258_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_558_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_458_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_368_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_308_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c754e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m0"},
    "cpe:/o:konicaminolta:bizhub_c654e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m0"},
    "cpe:/o:konicaminolta:bizhub_754e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_654e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c554e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m1"},
    "cpe:/o:konicaminolta:bizhub_c454e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m1"},
    "cpe:/o:konicaminolta:bizhub_c364e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c284e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c224e_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_554e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m1"},
    "cpe:/o:konicaminolta:bizhub_454e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m1"},
    "cpe:/o:konicaminolta:bizhub_364e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m1"},
    "cpe:/o:konicaminolta:bizhub_284e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m1"},
    "cpe:/o:konicaminolta:bizhub_224e_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gdq-m1"},
    "cpe:/o:konicaminolta:bizhub_c754_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gr1-m0"},
    "cpe:/o:konicaminolta:bizhub_c654_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gr1-m0"},
    "cpe:/o:konicaminolta:bizhub_c554_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gr1-m0"},
    "cpe:/o:konicaminolta:bizhub_c454_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gr1-m0"},
    "cpe:/o:konicaminolta:bizhub_c364_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c284_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c224_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_754_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_654_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c4050i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c3350i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c4000i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c3300i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_c3320i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-b6"},
    "cpe:/o:konicaminolta:bizhub_4750i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-22"},
    "cpe:/o:konicaminolta:bizhub_4050i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-22"},
    "cpe:/o:konicaminolta:bizhub_4700i_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "g00-22"},
    "cpe:/o:konicaminolta:bizhub_c3851fs_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_c3851_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_c3351_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_4752_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_4052_firmware" :
        {"family" : "Bizhub", "versionEndIncluding" : "gc9-x4"},
    "cpe:/o:konicaminolta:bizhub_c3850_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c3350_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_3850fs_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_4750_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_4050_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c3110_firmware" :
        {"family" : "Bizhub"},
    "cpe:/o:konicaminolta:bizhub_c3100p_firmware" :
        {"family" : "Bizhub"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);

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20 Feb 2026 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.6
CVSS 3.16.8
EPSS0.003
konica bizhubfirmware tamper detectiontamper bypassmalicious firmware2021-20872
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