CVE-2019-19006: Sangoma FreePBX Improper Authentication Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://wiki.freepbx.org/display/FOP/2019-11-20%2BRemote%2BAdmin%2BAuthentication%2BBypass ; https://nvd.nist.gov/vuln/detail/CVE-2019-19006

Weakness behind it

CISA records this vulnerability as an instance of CWE-287. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-19006
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog