CVE-2019-12147

Public Exploit

Description

The Sangoma Session Border Controller (SBC) 2.3.23-119 GA web interface is vulnerable to Argument Injection via special characters in the username field. Upon successful exploitation, a remote unauthenticated user can create a local system user with sudo privileges, and use that user to login to the system (either via the web interface or via SSH) to achieve complete compromise of the device. This affects /var/webconfig/gui/Webconfig.inc.php and /usr/local/sng/bin/sng-user-mgmt.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.28% Top 15%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.appsecco.com not applicable
http://seclists.org/fulldisclosure/2019/Oct/40 mailing list third party advisory exploit
http://packetstormsecurity.com/files/154914/Sangoma-SBC-2.3.23-119-GA-Unauthenticated-User-Creation.html third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2019-12147?
CVE-2019-12147 has been scored as a critical severity vulnerability.
How to fix CVE-2019-12147?
To fix CVE-2019-12147, 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-2019-12147 being actively exploited in the wild?
It is possible that CVE-2019-12147 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.