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Known exploited vulnerability

CVE-2011-2005

highCVSS 3.1 7.8In CISA KEVEPSS 32%Published · n/a

The short answer

CVE-2011-2005 affects n/a n/a and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-28: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

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."

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Mar 28, 2022

Federal due date Apr 18, 2022

EPSS, next 30 days

32%

Higher than 98% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2011-2005 being exploited?

Yes. CISA added CVE-2011-2005 to its Known Exploited Vulnerabilities catalog on 2022-03-28, with a federal remediation due date of 2022-04-18.

How do I fix CVE-2011-2005?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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