high7.8Known exploitedPublic exploit code
CVE-2011-2005
Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-28. Federal due date: 2022-04-18.
Apply updates per vendor instructions.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Microsoft Windows - 'AfdJoinLeaf' Local Privilege Escalation (MS11-080) (Metasploit)2012-10-10 · local · windows · Verified
- Microsoft Windows XP/2003 - 'afd.sys' Local Privilege Escalation (MS11-080)2011-11-30 · local · windows · Verified
Impact
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."
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows Server 2003 | All versions |
| Microsoft | Windows Xp | All versions |
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005