CVE-2025-66911

Description

Turms IM Server v0.10.0-SNAPSHOT and earlier contains a broken access control vulnerability in the user online status query functionality. The handleQueryUserOnlineStatusesRequest() method in UserServiceController.java allows any authenticated user to query the online status, device information, and login timestamps of arbitrary users without proper authorization checks.

CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-284 CWE-284

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
turms-im	turms	All

References

Exploits

https://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66911_report.md https://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66911_report.md

Other References

https://github.com/turms-im/turms https://github.com/turms-im/turms/blob/develop/turms-service/src/main/java/im/turms/service/domain/user/access/servicerequest/controller/UserServiceController.java#L239

Frequently Asked Questions

What is CVE-2025-66911? +

Turms IM Server v0.10.0-SNAPSHOT and earlier contains a broken access control vulnerability in the user online status query functionality. The handleQueryUserOnlineStatusesRequest() method in UserServiceController.java allows any authenticated user to query the online status, device information, and login timestamps of arbitrary users without proper authorization checks. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-66911? +

CVE-2025-66911 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-66911? +

CVE-2025-66911 affects products from turms-im, specifically: turms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66911? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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