CVE-2025-4234: Cortex XDR Microsoft 365 Defender Pack: Cleartext Exposure of Credentials (Severity: LOW)

Published Sep 10, 2025
·
Updated

A problem with the Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack can result in exposure of user credentials in application logs. Normally, these application logs are only viewable by local users and are included when generating logs for troubleshooting purposes. This means that these credentials are exposed to recipients of the application logs.

Affected Software

2 affected componentsFixes available
All of the following
Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack=4.6.0
4.6.5
Microsoft Windows*

Remediation

Mitigation

No known workarounds exist for this issue.

Information

VERSION MINOR VERSION SUGGESTED SOLUTION Cortex XDR Microsoft 365 Defender Pack 4.6 on Windows 4.6.0 through 4.6.4 Upgrade to 4.6.5 or later. Rotate any Client Secrets for Azure Applications that attempted connection with the Microsoft 365 Defender Pack. 

Event History

Sep 10, 2025
Advisory Published
via Palo Alto Networks·04:00 PM
Data Sourced
via Palo Alto Networks·04:00 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 12, 2025
CVE Published
via MITRE·05:18 PM
Data Sourced
via MITRE·05:18 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-4234?

CVE-2025-4234 is considered a medium severity vulnerability due to the potential exposure of user credentials.

2

How do I fix CVE-2025-4234?

To fix CVE-2025-4234, upgrade the Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack to version 4.6.5 or later.

3

What type of information is exposed in CVE-2025-4234?

CVE-2025-4234 exposes user credentials in application logs that are intended to be viewable only by local users.

4

What software is affected by CVE-2025-4234?

CVE-2025-4234 affects the Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack version 4.6.0.

5

Who is responsible for addressing CVE-2025-4234?

It is the responsibility of users and administrators of affected systems to apply the necessary updates to mitigate CVE-2025-4234.

Contact

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