MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check)

critical Nessus Plugin ID 40887


Arbitrary code may be executed on the remote host through the SMB port


The remote host is running a version of Microsoft Windows Vista or Windows Server 2008 that contains a vulnerability in its SMBv2 implementation. An attacker can exploit this flaw to disable the remote host or to execute arbitrary code on it.

EDUCATEDSCHOLAR is one of multiple Equation Group vulnerabilities and exploits disclosed on 2017/04/14 by a group known as the Shadow Brokers.


Microsoft has released a patch for Windows Vista and Windows Server 2008.

See Also

Plugin Details

Severity: Critical

ID: 40887

File Name: smb2_pid_high_vuln.nasl

Version: 1.36

Type: remote

Agent: windows

Family: Windows

Published: 9/8/2009

Updated: 11/26/2019

Risk Information


Risk Factor: High

Score: 8.9


Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2009-3103


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/13/2009

Vulnerability Publication Date: 9/8/2009

Exploitable With


Core Impact

Metasploit (MS09-050 Microsoft SRV2.SYS SMB Negotiate ProcessID Function Table Dereference)

Reference Information

CVE: CVE-2009-2532, CVE-2009-3103

BID: 36299, 36594

CWE: 399, 94

MSFT: MS09-050

CERT: 135940

MSKB: 975497