CVEvulnerability

CVE-2002-1831

5.0 MEDIUM Published 2002-12-31 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2002-12-31
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

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.

Affected configurations

• microsoft msn messenger 1.0 • microsoft msn messenger 2.0 • microsoft msn messenger 2.2 • microsoft msn messenger 3.0 • microsoft msn messenger 3.6 • microsoft msn messenger 4.0 • microsoft msn messenger 4.5 • microsoft msn messenger 4.6

Related

Referenced by CWE · observed example (1)

  • CWE-177 Improper Handling of URL Encoding (Hex Encoding) weakness

References