SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43406

An issue was discovered in FusionPBX before 4.5.30.

HIGH 8.8EPSS 0.97%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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).

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.97% probability · 60th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
fusionpbx/fusionpbx
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.