Vulnerability in Sangoma Session Border Controller
CVE-2019-12148
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Sangoma Session Border Controller
- Sangoma Session Border Controller Firmware — versions 2.3.23-119-ga
Weakness classification (CWE)
References
- seclists.org/fulldisclosure/2019/Oct/41 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/154915/Sangoma-SBC-2.3.23-119-GA-Authentication-B… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12148?
- CVE-2019-12148 is a critical-severity vulnerability in Sangoma Session Border Controller, classified under Argument Injection. CVSS score: 9.8/10. Published 2019-10-22.
- How severe is CVE-2019-12148?
- Critical severity. CVSS v3 base score is 9.8 out of 10.