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Case File

CVE-2011-4598

MEDIUM · CVSS 4.3 EPSS 2.35%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-12-15 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2011-4598
Severity
MEDIUM
CVSS
4.3
EPSS
2.35%

Original NVD Description

The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.