The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cleartext passwords by reading the HTML source code. Authentication is not required.
https://security.samsungmobile.com/securityUpdate.smsb
https://medium.com/%40windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a
Source: Mitre, NVD
Published: 2021-12-20
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.00515