CVE-2022-29586

CVE-2022-29586 is a high-severity vulnerability in Konicaminolta Bizhub 226i Firmware with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: High (CVSS 3.x base score 7.4)
• CVSS v2: 6.9
• EPSS exploit prediction: 0% (35th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Konicaminolta Bizhub 226i Firmware
• Published: 2022-05-16
• Last modified: 2026-06-17

Description

Konica Minolta bizhub MFP devices before 2022-04-14 allow a Sandbox Escape. An attacker must attach a keyboard to a USB port, press F12, and then escape from the kiosk mode.

Frequently asked questions

What is CVE-2022-29586?

Konica Minolta bizhub MFP devices before 2022-04-14 allow a Sandbox Escape. An attacker must attach a keyboard to a USB port, press F12, and then escape from the kiosk mode.

How severe is CVE-2022-29586?

CVE-2022-29586 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over physical access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-29586 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29586?

CVE-2022-29586 primarily affects Konicaminolta Bizhub 226i Firmware. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-29586?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-29586 published?

CVE-2022-29586 was published on 2022-05-16 and last updated on 2026-06-17.

References

• https://sec-consult.com/vulnerability-lab/
• https://sec-consult.com/vulnerability-lab/advisory/sandbox-escape-with-root-access-clear-text-passwords-in-konica-minolta-bizhub-mfp-printer-terminals/

Affected products (45)

• cpe:2.3:o:konicaminolta:bizhub_226i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_227_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_246i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_287_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_306i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_308_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_308e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_367_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_368_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_368e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_4052_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_458_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_458e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_4752_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_558_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_558e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_658e_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_758_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_808_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_958_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c227_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c250i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c258_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c287_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c300i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c308_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c3300i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c3320i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c3350i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c3351_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c360i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c368_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c3851_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c3851fs_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c4000i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c4050i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c450i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c458_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c550i_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:konicaminolta:bizhub_c558_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Konicaminolta Bizhub 226i Firmware

• CVE-2022-29588 — High (CVSS 7.5): Konica Minolta bizhub MFP devices before 2022-04-14 use cleartext password storage for the…
• CVE-2021-20871 — Medium (CVSS 6.5): Exposure of sensitive information to an unauthorized actor vulnerability in KONICA MINOLTA bizhub series (bizhub C750i…
• CVE-2021-20869 — Medium (CVSS 6.5): Exposure of sensitive information to an unauthorized actor vulnerability in KONICA MINOLTA bizhub series (bizhub C750i…
• CVE-2021-20870 — Medium (CVSS 4.6): Improper handling of exceptional conditions vulnerability in KONICA MINOLTA bizhub series (bizhub C750i G00-35 and…
• CVE-2021-20868 — Medium (CVSS 4.5): Incorrect authorization vulnerability in KONICA MINOLTA bizhub series (bizhub C750i G00-35 and earlier, bizhub…
• CVE-2022-29587 — Medium (CVSS 4.0): Konica Minolta bizhub MFP devices before 2022-04-14 have an internal Chromium browser that executes with root (aka…

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