Vulnerability Details CVE-2025-62723
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.1%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2025-62723
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cpe:2.3:a:flashmq:flashmq:0.10.0
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cpe:2.3:a:flashmq:flashmq:0.10.1
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cpe:2.3:a:flashmq:flashmq:0.11.0
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cpe:2.3:a:flashmq:flashmq:0.11.1
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cpe:2.3:a:flashmq:flashmq:0.11.2
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cpe:2.3:a:flashmq:flashmq:0.11.3
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cpe:2.3:a:flashmq:flashmq:0.11.4
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cpe:2.3:a:flashmq:flashmq:0.11.5
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cpe:2.3:a:flashmq:flashmq:0.11.6
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cpe:2.3:a:flashmq:flashmq:0.11.7
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cpe:2.3:a:flashmq:flashmq:0.11.8
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cpe:2.3:a:flashmq:flashmq:0.11.9
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cpe:2.3:a:flashmq:flashmq:0.12.0
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cpe:2.3:a:flashmq:flashmq:0.12.1
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cpe:2.3:a:flashmq:flashmq:0.13.0
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cpe:2.3:a:flashmq:flashmq:0.13.1
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cpe:2.3:a:flashmq:flashmq:0.5.0
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cpe:2.3:a:flashmq:flashmq:0.5.1
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cpe:2.3:a:flashmq:flashmq:0.5.2
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cpe:2.3:a:flashmq:flashmq:0.6.0
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cpe:2.3:a:flashmq:flashmq:0.6.1
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cpe:2.3:a:flashmq:flashmq:0.6.3
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cpe:2.3:a:flashmq:flashmq:0.7.0
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cpe:2.3:a:flashmq:flashmq:0.7.1
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cpe:2.3:a:flashmq:flashmq:0.8.0
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cpe:2.3:a:flashmq:flashmq:0.8.1
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cpe:2.3:a:flashmq:flashmq:0.9.0
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cpe:2.3:a:flashmq:flashmq:0.9.1
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cpe:2.3:a:flashmq:flashmq:0.9.2
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cpe:2.3:a:flashmq:flashmq:0.9.3
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cpe:2.3:a:flashmq:flashmq:0.9.4
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cpe:2.3:a:flashmq:flashmq:0.9.5
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cpe:2.3:a:flashmq:flashmq:0.9.6
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cpe:2.3:a:flashmq:flashmq:0.9.7
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cpe:2.3:a:flashmq:flashmq:0.9.8
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cpe:2.3:a:flashmq:flashmq:0.9.9
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cpe:2.3:a:flashmq:flashmq:1.0.0
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cpe:2.3:a:flashmq:flashmq:1.0.1
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cpe:2.3:a:flashmq:flashmq:1.0.2
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cpe:2.3:a:flashmq:flashmq:1.1.0
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cpe:2.3:a:flashmq:flashmq:1.10.0
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cpe:2.3:a:flashmq:flashmq:1.11.0
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cpe:2.3:a:flashmq:flashmq:1.12.0
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cpe:2.3:a:flashmq:flashmq:1.12.1
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cpe:2.3:a:flashmq:flashmq:1.13.0
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cpe:2.3:a:flashmq:flashmq:1.13.1
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cpe:2.3:a:flashmq:flashmq:1.14.0
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cpe:2.3:a:flashmq:flashmq:1.15.0
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cpe:2.3:a:flashmq:flashmq:1.15.1
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cpe:2.3:a:flashmq:flashmq:1.15.2
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cpe:2.3:a:flashmq:flashmq:1.15.3
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cpe:2.3:a:flashmq:flashmq:1.15.4
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cpe:2.3:a:flashmq:flashmq:1.16.0
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cpe:2.3:a:flashmq:flashmq:1.17.0
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cpe:2.3:a:flashmq:flashmq:1.17.1
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cpe:2.3:a:flashmq:flashmq:1.17.2
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cpe:2.3:a:flashmq:flashmq:1.17.3
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cpe:2.3:a:flashmq:flashmq:1.18.0
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cpe:2.3:a:flashmq:flashmq:1.18.1
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cpe:2.3:a:flashmq:flashmq:1.18.2
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cpe:2.3:a:flashmq:flashmq:1.19.0
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cpe:2.3:a:flashmq:flashmq:1.2.0
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cpe:2.3:a:flashmq:flashmq:1.2.1
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cpe:2.3:a:flashmq:flashmq:1.20.0
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cpe:2.3:a:flashmq:flashmq:1.21.0
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cpe:2.3:a:flashmq:flashmq:1.21.1
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cpe:2.3:a:flashmq:flashmq:1.22.0
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cpe:2.3:a:flashmq:flashmq:1.23.0
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cpe:2.3:a:flashmq:flashmq:1.23.1
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cpe:2.3:a:flashmq:flashmq:1.3.0
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cpe:2.3:a:flashmq:flashmq:1.3.1
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cpe:2.3:a:flashmq:flashmq:1.4.0
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cpe:2.3:a:flashmq:flashmq:1.4.1
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cpe:2.3:a:flashmq:flashmq:1.4.2
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cpe:2.3:a:flashmq:flashmq:1.4.3
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cpe:2.3:a:flashmq:flashmq:1.4.4
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cpe:2.3:a:flashmq:flashmq:1.4.5
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cpe:2.3:a:flashmq:flashmq:1.5.0
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cpe:2.3:a:flashmq:flashmq:1.6.0
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cpe:2.3:a:flashmq:flashmq:1.6.1
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cpe:2.3:a:flashmq:flashmq:1.6.2
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cpe:2.3:a:flashmq:flashmq:1.6.3
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cpe:2.3:a:flashmq:flashmq:1.6.4
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cpe:2.3:a:flashmq:flashmq:1.6.5
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cpe:2.3:a:flashmq:flashmq:1.6.6
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cpe:2.3:a:flashmq:flashmq:1.6.7
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cpe:2.3:a:flashmq:flashmq:1.6.8
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cpe:2.3:a:flashmq:flashmq:1.6.9
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cpe:2.3:a:flashmq:flashmq:1.7.0
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cpe:2.3:a:flashmq:flashmq:1.7.1
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cpe:2.3:a:flashmq:flashmq:1.7.10
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cpe:2.3:a:flashmq:flashmq:1.7.11
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cpe:2.3:a:flashmq:flashmq:1.7.2
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cpe:2.3:a:flashmq:flashmq:1.7.3
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cpe:2.3:a:flashmq:flashmq:1.7.4
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cpe:2.3:a:flashmq:flashmq:1.7.5
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cpe:2.3:a:flashmq:flashmq:1.7.6
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cpe:2.3:a:flashmq:flashmq:1.7.7
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cpe:2.3:a:flashmq:flashmq:1.7.8
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cpe:2.3:a:flashmq:flashmq:1.7.9
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cpe:2.3:a:flashmq:flashmq:1.8.0
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cpe:2.3:a:flashmq:flashmq:1.8.1
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cpe:2.3:a:flashmq:flashmq:1.8.2
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cpe:2.3:a:flashmq:flashmq:1.8.3
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cpe:2.3:a:flashmq:flashmq:1.8.4
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cpe:2.3:a:flashmq:flashmq:1.9.0
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cpe:2.3:a:flashmq:flashmq:1.9.1