Vulnerability in Fusionpbx
CVE-2021-43405
An issue was discovered in FusionPBX before 4.5.30. The fax_extension may have risky characters (it is not constrained to be numeric).
EPSS: 0.356 (98.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fusionpbx
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-43405?
- CVE-2021-43405 is a high-severity vulnerability in Fusionpbx. CVSS score: 8.8/10. Published 2021-11-05.
- How severe is CVE-2021-43405?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-43405 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.