CVE-2019-12148

CRITICAL

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 usernam...

Affects 2 products across 1 vendor.

CVSS 3.19.8
EPSS3.5%
Percentile89th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-88: CWE-88
Related Attack Patterns (CAPEC)
CAPEC-41 Using Meta-characters in E-mail Headers to Inject Malicious Payloads
via CWE-88
CAPEC-174 Flash Parameter Injection
via CWE-88
CAPEC-460 HTTP Parameter Pollution (HPP)
via CWE-88
CAPEC-88 OS Command Injection
via CWE-88
CAPEC-137 Parameter Injection
via CWE-88

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2019. A critical vulnerability affects Sangoma systems (CVE-2019-12148). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2019-GLOBAL-134227-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2019-12148?
This vulnerability was disclosed in 2019. A critical vulnerability affects Sangoma systems (CVE-2019-12148). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2019-12148?
CVE-2019-12148 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 3.5%.
Is CVE-2019-12148 actively exploited?
No confirmed active exploitation of CVE-2019-12148 as of 2026-09-25.
How do I remediate CVE-2019-12148?
Priority: MEDIUM.
What systems are affected by CVE-2019-12148?
CVE-2019-12148 affects Sangoma Session Border Controller.
Vulnerability Details
CVE IDCVE-2019-12148
BSIDBS-2019-GLOBAL-134227-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2019-10-22
Last Modified2026-06-17
ICS Relevance0%
Weakness (CWE)
CWE-88
SourceNVD
Official 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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

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

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Sangoma Session Border Controller (device & firmware) 2.3.23-119-ga
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2550 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash7d91704f8e50eee413b9c77990eaf1702365e1b337481addd37748a29f3b950e332e6eddb0ad9bba7ebd91d8f2ea56cc19454a187a4f57480b8ea1d5432af8d1
Related CVEs affecting Sangoma
CVE-2008-6598 10.0 Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and atta... CVE-2014-7235 10.0 htdocs_ari/includes/login.php in the ARI Framework module/Asterisk Recording ... CVE-2019-12147 9.8 The Sangoma Session Border Controller (SBC) 2.3.23-119 GA web interface is vu... CVE-2017-17430 9.8 Sangoma NetBorder / Vega Session Controller before 2.3.12-80-GA allows remote... CVE-2019-19006 9.8 Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and ...
View all Sangoma CVEs →

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