Vulnerability in Sangoma Freepbx

CVE-2021-45461

FreePBX, when restapps (aka Rest Phone Apps) 15.0.19.87, 15.0.19.88, 16.0.18.40, or 16.0.18.41 is installed, allows remote attackers to execute arbitrary code, as exploited in the wild in December 2021. The fixed versions are 15.0.20 and 1…

EPSS: 0.217 (97.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-45461?
CVE-2021-45461 is a critical-severity vulnerability in Sangoma Freepbx. CVSS score: 9.8/10. Published 2021-12-22.
How severe is CVE-2021-45461?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-45461 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.