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Case File

CVE-2011-2665

MEDIUM · CVSS 5 EPSS 3.97%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-07-06 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2011-2665
Severity
MEDIUM
CVSS
5
EPSS
3.97%

Original NVD Description

reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.