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7.5
Microsoft Exchange Exposes Samsung Device Data on On-Premises Servers
CVE-2025-58107
Summary
On-premises Microsoft Exchange servers may leak sensitive information from Samsung devices, including user names and passwords. This is a concern for companies that use Exchange with Samsung devices. To mitigate this risk, consider updating Exchange to a version that supports encryption or implementing additional security measures for device authentication.
Original title
In Microsoft Exchange through 2019, Exchange ActiveSync (EAS) configurations on on-premises servers may transmit sensitive data from Samsung mobile devices in cleartext, including the user's name, ...
Original description
In Microsoft Exchange through 2019, Exchange ActiveSync (EAS) configurations on on-premises servers may transmit sensitive data from Samsung mobile devices in cleartext, including the user's name, e-mail address, device ID, bearer token, and base64-encoded password.
nvd CVSS3.1
7.5
Vulnerability type
CWE-319
Cleartext Transmission of Sensitive Information
Published: 2 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026