What’s Vulnerable › Vulnerabilities

CVE-2021-42913

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-20 · updated 2026-06-17
• Weakness: CWE-522

Description

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.

Affected products

• Samsung Syncthru Web Service: all versions

References

• https://medium.com/%40windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a
• https://security.samsungmobile.com/securityUpdate.smsb
• https://medium.com/%40windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a
• https://security.samsungmobile.com/securityUpdate.smsb

Get alerted when CVE-2021-42913 or the next vulnerability affects your stack