What’s Vulnerable › Vulnerabilities

CVE-2022-29586

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-16 · updated 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.

Affected products

• Konicaminolta Bizhub 226I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 227 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 246I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 287 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 306I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 308 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 308E Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 367 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 368 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 368E Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 4052 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 458 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 458E Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 4752 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 558 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 558E Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 658E Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 758 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 808 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub 958 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C227 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C250I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C258 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C287 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C300I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C308 Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C3300I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C3320I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C3350I Firmware: before 2022-04-14 — fixed in 2022-04-14
• Konicaminolta Bizhub C3351 Firmware: before 2022-04-14 — fixed in 2022-04-14

How to fix

Upgrade to a fixed version: Konicaminolta Bizhub 226I Firmware 2022-04-14; Konicaminolta Bizhub 227 Firmware 2022-04-14; Konicaminolta Bizhub 246I Firmware 2022-04-14; Konicaminolta Bizhub 287 Firmware 2022-04-14; Konicaminolta Bizhub 306I Firmware 2022-04-14; Konicaminolta Bizhub 308 Firmware 2022-04-14; Konicaminolta Bizhub 308E Firmware 2022-04-14; Konicaminolta Bizhub 367 Firmware 2022-04-14; Konicaminolta Bizhub 368 Firmware 2022-04-14; Konicaminolta Bizhub 368E Firmware 2022-04-14; Konicaminolta Bizhub 4052 Firmware 2022-04-14; Konicaminolta Bizhub 458 Firmware 2022-04-14. Check the vendor advisory for mitigations.

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/
• 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/

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