CVE-2021-45461

moderate-risk
Published 2021-12-22

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 16.0.19.

Do I need to act?

~
3.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Restapps
Restapps
Restapps
Restapps

Affected Vendors

Sangoma

References (6)

Exploit https://community.freepbx.org/t/0-day-freepbx-exploit/80092
Vendor Advisory https://community.freepbx.org/t/security-issue-potential-rest-phone-apps-rce/801...
Vendor Advisory https://wiki.freepbx.org/display/FOP/2021-12-21+SECURITY%3A+Potential+Rest+Phone...
Exploit https://community.freepbx.org/t/0-day-freepbx-exploit/80092
Vendor Advisory https://community.freepbx.org/t/security-issue-potential-rest-phone-apps-rce/801...
Vendor Advisory https://wiki.freepbx.org/display/FOP/2021-12-21+SECURITY%3A+Potential+Rest+Phone...
48
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 10/34 · Low