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CVE-2011-1871

UnknownEPSS 38.46%

Last modified

CVE-2011-1871 is a vulnerability of currently unknown severity. Tcpip.sys in the TCP/IP stack in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (reboot) via a series of crafted ICMP messages, aka "ICMP Denial of Service Vulnerability.". EPSS estimates a 38.46% chance of exploitation in the next 30 days.

Description

Tcpip.sys in the TCP/IP stack in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (reboot) via a series of crafted ICMP messages, aka "ICMP Denial of Service Vulnerability."

Metrics

EPSS Probability
38.46%

98.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 7All versions—
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2008r2—
MicrosoftWindows VistaAll versionsSp2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1871?
Tcpip.sys in the TCP/IP stack in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (reboot) via a series of crafted ICMP messages, aka "ICMP Denial of Service Vulnerability."
How severe is CVE-2011-1871?
Severity scoring for CVE-2011-1871 is pending analysis. The EPSS model estimates a 38.46% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1871?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1871?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST