{"id":"CVE-2024-42655","aliases":["EUVD-2024-54835","GHSA-w7fr-grpr-9jg5"],"status":"published","title":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and...","description":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00426,"percentile":0.37209,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2025-07-29T00:00:00Z","modified":"2026-10-28T02:30:27Z","products":[{"vendor":"emqx","product":"nanomq"}],"references":[{"url":"https://github.com/nanomq/nanomq","tags":["Product","package"]},{"url":"https://github.com/nanomq/nanomq/issues/1782#issuecomment-2171025812","tags":["Exploit","Issue Tracking","Patch","report"]},{"url":"https://github.com/songxpu/bug_report/blob/master/MQTT/NanoMQ/CVE-2024-42655.md","tags":["Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42655","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w7fr-grpr-9jg5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42655.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-42655","description":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.","status":"published","published":"2025-07-29T00:00:00Z","modified":"2025-07-29T18:38:58.222Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:34:03.00063Z"}],"euvd":[{"id":"EUVD-2024-54835","description":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.","status":"published","published":"2025-07-29T00:00:00Z","modified":"2025-07-29T18:38:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:02.888981Z"}],"ghsa":[{"id":"GHSA-w7fr-grpr-9jg5","title":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and...","description":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.","status":"published","published":"2025-07-29T21:30:43Z","modified":"2025-07-29T21:30:43Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:03:08.457948Z"}],"nvd":[{"id":"CVE-2024-42655","description":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.","status":"published","published":"2025-07-29T19:15:44.167Z","modified":"2026-06-17T07:49:51.473Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:10:47.073504Z"}],"osv":[{"id":"CVE-2024-42655","description":"An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.","status":"published","published":"2025-07-29T00:00:00Z","modified":"2026-10-28T02:30:27.578667902Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:42.322107Z"}]}}