CVE-2021-45461

Public Exploit

Description

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.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 22.78% Top 5%

Vendor Advisory freepbx.org Vendor Advisory freepbx.org Vendor Advisory freepbx.org

Affected: n/a n/a

References

Link	Tags
https://community.freepbx.org/t/0-day-freepbx-exploit/80092	issue tracking exploit vendor advisory
https://community.freepbx.org/t/security-issue-potential-rest-phone-apps-rce/80109	vendor advisory
https://wiki.freepbx.org/display/FOP/2021-12-21+SECURITY%3A+Potential+Rest+Phone+Apps+RCE	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-45461?: CVE-2021-45461 has been scored as a critical severity vulnerability.
How to fix CVE-2021-45461?: To fix CVE-2021-45461, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45461 being actively exploited in the wild?: It is possible that CVE-2021-45461 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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