{"id":"CVE-2023-33657","aliases":["EUVD-2023-37813","GHSA-crqc-c8fj-8qjx"],"status":"published","title":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by...","description":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0096,"percentile":0.6178,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2023-06-08T00:00:00Z","modified":"2026-10-28T02:31:03Z","products":[{"vendor":"emqx","product":"nanomq"}],"references":[{"url":"https://github.com/emqx/nanomq","tags":["x_transferred","Product","package"]},{"url":"https://github.com/emqx/nanomq/issues/1165#issue-1668648319","tags":["x_transferred","Exploit","Issue Tracking","report"]},{"url":"https://github.com/emqx/nanomq/pull/1187","tags":["x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33657","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-crqc-c8fj-8qjx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33657.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-33657","description":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.","status":"published","published":"2023-06-08T00:00:00Z","modified":"2025-01-06T20:35:26.143Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:34.170609Z"}],"euvd":[{"id":"EUVD-2023-37813","description":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.","status":"published","published":"2023-06-08T00:00:00Z","modified":"2025-01-06T20:35:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:25.174818Z"}],"ghsa":[{"id":"GHSA-crqc-c8fj-8qjx","title":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by...","description":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.","status":"published","published":"2023-06-08T15:30:20Z","modified":"2024-04-04T04:40:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:56:26.167088Z"}],"nvd":[{"id":"CVE-2023-33657","description":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.","status":"published","published":"2023-06-08T13:15:09.53Z","modified":"2026-06-17T06:02:04.59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:08:05.329837Z"}],"osv":[{"id":"CVE-2023-33657","description":"A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.","status":"published","published":"2023-06-08T00:00:00Z","modified":"2026-10-28T02:31:03.563058627Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:32.116263Z"}]}}