CVE-2025-62723 — MEDIUM (4.3)

Q: How severe is CVE-2025-62723?

CVE-2025-62723 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-62723?

Check the references section above for vendor advisories and patch information. Affected products include: Flashmq Flashmq.

Vulnerability Description

FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client, these are then not released upon (eventual) session expiration. Version 1.23.2 fixes the issue.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Flashmq	Flashmq	< 1.23.2

Related Weaknesses (CWE)

CWE-772

References

https://github.com/halfgaar/FlashMQ/commit/e86c49360ef4387440c97f591770cdb9284b4Patch
https://github.com/halfgaar/FlashMQ/issues/154Issue Tracking
https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-7mhp-22q4-r6vvPatchVendor Advisory

FAQ

What is CVE-2025-62723?

CVE-2025-62723 is a vulnerability with a CVSS score of 4.3 (MEDIUM). FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client,...

How severe is CVE-2025-62723?

CVE-2025-62723 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-62723?

Check the references section above for vendor advisories and patch information. Affected products include: Flashmq Flashmq.