What is the CVSS score of CVE-2013-6999?

CVE-2013-6999 has a CVSS 2.0 base score of 4.0 (Medium). CVSS vector: AV:L/AC:H/Au:N/C:N/I:N/A:C. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2013-6999?

Yes, a public proof-of-concept exploit is available for CVE-2013-6999. Prioritise patching immediately. EPSS: 0.5%.

Windows Server 2008 CVE-2013-6999

MEDIUM

2013-12-07 cve@mitre.org

Denial Of Service Microsoft Windows Server 2008

4.0

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

4.0 MEDIUM

AV:L/AC:H/Au:N/C:N/I:N/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

High

Confidentiality

None

Integrity

None

Availability

Lifecycle Timeline

CVE Published

Dec 07, 2013 - 01:55 cve.org

MEDIUM 4.0

DescriptionCVE.org

The IsHandleEntrySecure function in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 SP2 does not properly validate the tagPROCESSINFO pW32Job field, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted NtUserValidateHandleSecure call for an owned object. NOTE: the vendor reportedly disputes the significance of this report, stating that "it appears to be a local DOS ... we don't consider it a security vulnerability.

AnalysisAI

Technical ContextAI

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2013-6999 vulnerability details – vuln.today

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