Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2002-1831

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
31/12/2002
Last modified:
03/04/2025

Description

Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

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

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:microsoft:msn_messenger:1.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:2.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:2.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:3.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:3.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:4.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:4.6:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools