CVE-2009-0041

Severity CVSS v4.0:

Pending analysis

Type:

CWE-200 Information Leak / Disclosure

Publication date:

14/01/2009

Last modified:

09/04/2025

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.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:asterisk:asterisk_business_edition::::::::		b.2.5.2 (including)
cpe:2.3:a:asterisk:asterisk_business_edition::beta8::::::*		c.1.0 (including)
cpe:2.3:a:asterisk:asterisk_business_edition:a:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.3:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.0:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.1:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.1:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.2:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.3:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.5:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.6:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.1:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:asterisk:asterisk_business_edition::::::::		b.2.5.2 (including)
cpe:2.3:a:asterisk:asterisk_business_edition::beta8::::::*		c.1.0 (including)
cpe:2.3:a:asterisk:asterisk_business_edition:a:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.3:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.0:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.1:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.1:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.2:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.3:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.5:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.6:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0:::::::*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.1:::::::*

CVE-2009-0041

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools