HTTP: FusionPBX Fax Server Command Injection

This signature detects attempts to exploit a known vulnerability against FusionPBX fax server. A successful attack can lead to command injection and arbitrary code execution.

Extended 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).

Affected Products

Fusionpbx fusionpbx

References

CVE: CVE-2021-43405

Short Name
HTTP:CTS:FSNPBX-FAX-SND-CMD-INJ
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2021-43405 Command Fax FusionPBX Injection Server
Release Date
11/25/2021
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3439
False Positive
Unknown
Vendors

Fusionpbx

CVSS Score

6.5

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