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
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3439
False Positive
Unknown
Vendors
Fusionpbx
CVSS Score
6.5