{"id":"CVE-2021-43406","aliases":["EUVD-2021-30341","GHSA-hf55-2mfj-2hrg"],"status":"published","title":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters ...","description":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained to preset values).","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00973,"percentile":0.62467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-11-05T17:36:11Z","modified":"2026-10-20T10:54:08Z","products":[{"vendor":"fusionpbx","product":"fusionpbx"}],"references":[{"url":"https://github.com/fusionpbx/fusionpbx/commit/0377b2152c0e59c8f35297f9a9b6ee335a62d963","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43406"},{"url":"https://github.com/advisories/GHSA-hf55-2mfj-2hrg"}],"sources":{"cve":[{"id":"CVE-2021-43406","description":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained to preset values).","status":"published","published":"2021-11-05T17:36:11Z","modified":"2024-08-04T03:55:28.647Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30341","description":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained to preset values).","status":"published","published":"2021-11-05T17:36:11Z","modified":"2024-08-04T03:55:28Z","updated_at":"2026-11-03T03:24:14.245608Z"}],"ghsa":[{"id":"GHSA-hf55-2mfj-2hrg","title":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters ...","description":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained to preset values).","status":"published","published":"2022-05-24T19:19:48Z","modified":"2023-01-30T05:03:18Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:46:48.522337Z"}],"nvd":[{"id":"CVE-2021-43406","description":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained to preset values).","status":"published","published":"2021-11-05T18:15:09.6Z","modified":"2026-06-17T04:10:55.72Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:00.984108Z"}],"osv":[{"id":"CVE-2021-43406","description":"An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained to preset values).","status":"published","published":"2021-11-05T18:15:09.6Z","modified":"2026-10-20T10:54:08.042079097Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:21.877444Z"}]}}