Vulnerability · Published Sep 12, 2025 · Assigned by palo_alto

CVE-2025-4234Cortex XDR Microsoft 365 Defender Pack: Cleartext Exposure of Credentials

Low 2.4

In plain English

A low-severity sensitive data in logs in Cortex XDR Microsoft 365 Defender Pack from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 4.0)2.4Low

Exploit odds (30 days)0.1%top 96.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
Palo Alto Networks	Cortex XDR Microsoft 365 Defender Pack	4.6.0 – before 11.0.2-133

Weakness: CWE-532 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H/AU:N/R:U/V:D/RE:M/U:Amber

References

https://security.paloaltonetworks.com/CVE-2025-4234 vendor-advisory