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    CVE-2002-1831

    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.

    Published:Dec 31, 2002
    Last Modified:Apr 16, 2026
    EPS:Jun 28, 2005
    EPSS Score:0.10369
    CVSS Score:5

    Affected Products

    Vendor
    Microsoft
    Product
    Msn Messenger

    Exploits

    http://www.securityfocus.com/bid/4827http://www.securityfocus.com/bid/4827https://www.exploit-db.com/exploits/21481

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2007-2931 (CVSS 9.3) — Heap-based buffer overflow in Microsoft MSN Messenger 6.2, 7.0, and 7.5, and Live Messenger 8.0 allows user-as…
    CVE-2007-3436 (CVSS 5) — Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consu…
    CVE-2006-0363 (CVSS 2.1) — The "Remember my Password" feature in MSN Messenger 7.5 stores passwords in an encrypted format under the HKEY…
    CVE-2005-0562 (CVSS 7.5) — GIF file validation error in MSN Messenger 6.2 allows remote attackers in a user's contact list to execute arb…
    CVE-2004-0597 (CVSS 10) — Multiple buffer overflows in libpng 1.2.5 and earlier, as used in multiple products, allow remote attackers to…
    CVE-2004-0122 (CVSS 5) — Microsoft MSN Messenger 6.0 and 6.1 does not properly handle certain requests, which allows remote attackers t…
    CVE-2002-1698 (CVSS 5) — Buffer overflow in Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial o…
    CVE-2002-0472 (CVSS 5) — MSN Messenger Service 3.6, and possibly other versions, uses weak authentication when exchanging messages betw…
    CVE-2002-0155 (CVSS 7.5) — Buffer overflow in Microsoft MSN Chat ActiveX Control, as used in MSN Messenger 4.5 and 4.6, and Exchange Inst…
    CVE-2002-0228 (CVSS 5) — Microsoft MSN Messenger allows remote attackers to use Javascript that references an ActiveX object to obtain …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High