Vulnerability · Published Nov 5, 2021 · Assigned by mitre
CVE-2021-43405
High 8.8
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 35.6% (higher than 98% of all known vulnerabilities).
Severity (CVSS NVD)8.8High
Exploit odds (30 days)35.6%top 1.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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).