The Negotiate Security Software Provider (SSP) interface in Windows 2000, Windows XP, and Windows Server 2003, allows remote attackers to cause a denial of service (crash from null dereference) or execute arbitrary code via a crafted SPNEGO NegTokenInit request during authentication protocol selection.

Threat-Mapped Scoring

Score: 1.9

Priority: P3 - Important (Medium)

• S9 – Sabotage of System/App
• S10 – Denial of Service (+0.1 bonus)

EPSS

Score: 0.397
Percentile: 0.97157

CVSS Scoring

Mapped CWE(s)

• CWE-476 : NULL Pointer Dereference

Affected Products

• cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2003:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:*

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