CVE-2022-41798 Auth bypass in Kyocera Document Solutions MFPs and printers

Medium 6.5 Published Updated

Network-adjacent attackers can bypass authentication and log in as users by guessing easily predictable session information on Kyocera devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-41798?

CVE-2022-41798 is a medium-severity authentication bypass vulnerability in Kyocera Document Solutions MFPs and printers, published on 5 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Session information easily guessable vulnerability exists in Kyocera Document Solutions MFPs and printers, which may allow a network-adjacent attacker to log in to the product by spoofing a user with guessed session information. Affected products/versions are as follows: TASKalfa 7550ci/6550ci, TASKalfa 5550ci/4550ci/3550ci/3050ci, TASKalfa 255c/205c, TASKalfa 256ci/206ci, ECOSYS M6526cdn/M6526cidn, FS-C2126MFP/C2126MFP+/C2026MFP/C2026MFP+, TASKalfa 8000i/6500i, TASKalfa 5500i/4500i/3500i, TASKalfa 305/255, TASKalfa 306i/256i, LS-3140MFP/3140MFP+/3640MFP, ECOSYS M2535dn, LS-1135MFP/1035MFP, LS-C8650DN/C8600DN, ECOSYS P6026cdn, FS-C5250DN, LS-4300DN/4200DN/2100DN, ECOSYS P4040dn, ECOSYS P2135dn, and FS-1370DN.

Weakness: CWE-290

Which versions are affected by CVE-2022-41798?

It affects 40 products.

Products include Kyocera Ecosys M2535dn Firmware, Kyocera Ecosys M6526cdn Firmware, Kyocera Ecosys M6526cidn Firmware, Kyocera Ecosys P2135dn Firmware, Kyocera Ecosys P4040dn Firmware, Kyocera Ecosys P6026cdn Firmware and 34 more.

How do I fix CVE-2022-41798?

No fix has been published for CVE-2022-41798 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-41798 being exploited?

There is no known exploitation of CVE-2022-41798 in the wild and no public exploit code.

Sources

Also known as GHSA-h5j7-f7h8-6xm9.

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