CVE-2021-43405

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

An issue was discovered in FusionPBX before 4.5.30. The fax_extension may have risky characters (it is not constrained to be numeric).

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/164795/FusionPBX-4.5.29-Remote-Code-Execution.htmlExploit, Third Party Advisory
https://github.com/fusionpbx/fusionpbx/commit/2d2869c1a1e874c46a8c3c5475614ce769bbbd59Patch, Third Party Advisory
http://packetstormsecurity.com/files/164795/FusionPBX-4.5.29-Remote-Code-Execution.htmlExploit, Third Party Advisory
https://github.com/fusionpbx/fusionpbx/commit/2d2869c1a1e874c46a8c3c5475614ce769bbbd59Patch, Third Party Advisory

Timeline

Published: Nov 5, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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