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: 1.35

Type: remote

Agent: windows

Family: Windows

Published: 2009/09/08

Updated: 2018/11/15

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 8.7

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

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS v3.0

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: 2009/10/13

Vulnerability Publication Date: 2009/09/08

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

MSFT: MS09-050

CERT: 135940

EDB-ID: 9594, 10005, 12524, 14674, 16363

MSKB: 975497

CWE: 94, 399