CVE-2011-2005

Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."

afd.sys en el controlador de función auxiliar de Microsoft Windows XP SP2 y SP3 y Server 2003 SP2 no valida correctamente la entrada de datos que se le pasa en modo de usuario una vez en modo kernel, lo que permite a usuarios locales conseguir privilegios a través de una aplicación específicamente creada para este fin. También conocida como "Vulnerabilidad de elevación de privilegios del controlador de función auxiliar".

afd.sys in the Ancillary Function Driver in Microsoft Windows does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2011-05-09 CVE Reserved
2011-10-12 CVE Published
2011-11-30 First Exploit
2022-03-28 Exploited in Wild
2022-04-18 KEV Due Date
2025-02-10 CVE Updated
2025-03-30 EPSS Updated

CWE

CAPEC

References (4)

URL	Tag	Source
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114	Broken Link

URL	Date	SRC
https://www.exploit-db.com/exploits/21844	2012-10-10
https://www.exploit-db.com/exploits/18176	2011-11-30

URL	Date	SRC
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080	2024-07-09

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003"				-		sp2		Affected
Microsoft Search vendor "Microsoft"		Windows Xp Search vendor "Microsoft" for product "Windows Xp"				-		sp2, professional, x64		Affected
Microsoft Search vendor "Microsoft"		Windows Xp Search vendor "Microsoft" for product "Windows Xp"				-		sp3		Affected