Vulnerability Details : CVE-2009-0085

The Secure Channel (aka SChannel) authentication component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008, when certificate authentication is used, does not properly validate the client's key exchange data in Transport Layer Security (TLS) handshake messages, which allows remote attackers to spoof authentication by crafting a TLS packet based on knowledge of the certificate but not the private key, aka "SChannel Spoofing Vulnerability."
Vulnerability category: BypassGain privilege
Published 2009-03-10 20:30:07
Updated 2023-12-07 18:38:57
Source Microsoft Corporation
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2009-0085

Probability of exploitation activity in the next 30 days: 91.75%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-0085

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.1
 HIGH AV:N/AC:M/Au:N/C:N/I:C/A:N
8.6
6.9
 nvd@nist.gov

CWE ids for CVE-2009-0085

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2009-0085

Products affected by CVE-2009-0085

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