SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2011-2013

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…

CRITICAL 9.8EPSS 33.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 33.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

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."

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
33.75% probability · 98th percentile
CISA KEV
Not listed
Weakness
CWE-189, CWE-190
Affected
microsoft/windows 7 · microsoft/windows server 2008 · microsoft/windows vista
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.