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Case File

CVE-2002-1831

MEDIUM · CVSS 5 EPSS 22.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2002-12-31 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2002-1831
Severity
MEDIUM
CVSS
5
EPSS
22.26%
Microsoft

Original Filing — 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.