CVE-2011-2013
critical-risk
Published 2011-11-08
Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka "Reference Counter Overflow Vulnerability."
Do I need to act?
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42.8% chance of exploitation in next 30 days
EPSS score — higher than 57% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (9)
Affected Vendors
References (6)
71
/ 100
critical-risk
Severity
32/34 · Critical
Exploitability
24/34 · High
Exposure
15/34 · Moderate