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Case File

CVE-2018-12227

MEDIUM · CVSS 5.3 EPSS 3.53%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-06-12 · Last synced 2026-08-04

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AI analysis pending.

CVE
CVE-2018-12227
Severity
MEDIUM
CVSS
5.3
EPSS
3.53%

Original NVD Description

An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.