CVE-2019-12148

Name: CVE-2019-12148
Creator: NVD / NIST
Published: 2019-10-22T16:15:10.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.50%

Last modified Jun 17, 2026

CVE-2019-12148 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Sangoma Session Border Controller (SBC) 2.3.23-119 GA web interface is vulnerable to an authentication bypass via an argument injection vulnerability involving special characters in the username field. Upon successful exploitation, a remote unauthenticated user can login into the device's admin web portal without providing any credentials. EPSS estimates a 3.50% chance of exploitation in the next 30 days.

Description

The Sangoma Session Border Controller (SBC) 2.3.23-119 GA web interface is vulnerable to an authentication bypass via an argument injection vulnerability involving special characters in the username field. Upon successful exploitation, a remote unauthenticated user can login into the device's admin web portal without providing any credentials. This affects /var/webconfig/gui/Webconfig.inc.php.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.50%

87.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-88

Affected Software

Vendor	Product	Versions
Sangoma	Session Border Controller Firmware	2.3.23-119-ga

References

http://packetstormsecurity.com/files/154915/Sangoma-SBC-2.3.23-119-GA-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Oct/41Exploit, Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/154915/Sangoma-SBC-2.3.23-119-GA-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Oct/41Exploit, Mailing List, Third Party Advisory

Timeline

Published: Oct 22, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12148?

How severe is CVE-2019-12148?

CVE-2019-12148 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.50% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12148?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12148?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST