CVE-2009-0041

N/A Unknown
Published: January 14, 2009 Modified: April 23, 2026
View on NVD

Description

IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before 1.4.23-rc4, and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x, B.x.x before B.2.5.7, C.1.x.x before C.1.10.4, and C.2.x.x before C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/33174
Source: cve@mitre.org
Patch
http://downloads.digium.com/pub/security/AST-2009-001.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/33453
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34982
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/37677
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.gentoo.org/glsa/glsa-200905-01.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://securityreason.com/securityalert/4910
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2009/dsa-1952
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/499884/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/33174
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.securitytracker.com/id?1021549
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/0063
Source: af854a3a-2127-422b-91ae-364da2661108

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.9%
75th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

asterisk