CVE-2025-58107

HIGH

Microsoft Exchange through 2019 - Info Disclosure

Title source: llm

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.

References (1)

[Various Sources] https://geochen.medium.com/microsoft-activesync-legacy-protocol-plaintext-credential-and-token-exposure-vulnerability-b0fad89014fa

Scores

CVSS v3 7.5

EPSS 0.0002

EPSS Percentile 5.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-319

Status published

Published Mar 02, 2026

Tracked Since Mar 02, 2026