CVE-2002-1831

medium Microsoft
CVSS v3 Base Score
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Score
10.4%
Exploitation probability in 30 days
Top 7% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P
Published: December 31, 2002 (8535 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD

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.

CWE

NVD-CWE-Other

Affected Products

microsoft msn messenger

References

🔗 online.securityfocus.com 🔗 www.iss.net 🔗 www.securityfocus.com 🔗 online.securityfocus.com 🔗 www.iss.net