CVE-2025-58107
Cleartext Data Exposure in Microsoft Exchange ActiveSync on Samsung Devices
Publication date: 2026-03-02
Last updated on: 2026-03-02
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | exchange | 2019 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-319 | The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability affects Microsoft Exchange servers through 2019 that use Exchange ActiveSync (EAS) configurations on on-premises servers. It causes sensitive data from Samsung mobile devices to be transmitted in cleartext. The exposed data includes the user's name, e-mail address, device ID, bearer token, and base64-encoded password.
How can this vulnerability impact me? :
The vulnerability can lead to the exposure of sensitive user information such as names, email addresses, device identifiers, authentication tokens, and passwords. Since this data is transmitted in cleartext, it can be intercepted by attackers, potentially leading to unauthorized access to user accounts, identity theft, and compromise of corporate or personal information.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know