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Vulnerability record · CVE-2011-2008 · published 12 October 2011

CVE-2011-2008: Microsoft host integration server improper input validation vulnerability

Microsoft · Host Integration Server

Microsoft Host Integration Server (HIS) 2004 SP1, 2006 SP1, 2009, and 2010 allows remote attackers to cause a denial of service (SNA Server service outage) via crafted TCP or UDP traffic, aka "Access of Unallocated Memory DoS Vulnerability."

5.0 CVSS 2.0 Medium EPSS 21% · top 2.5% CWE-20 · Improper input validation
5.0CVSS 2.0 base score
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Microsoft Host Integration Server (HIS) 2004 SP1, 2006 SP1, 2009, and 2010 allows remote attackers to cause a denial of service (SNA Server service outage) via crafted TCP or UDP traffic, aka "Access of Unallocated Memory DoS Vulnerability."

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-082
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12915
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-082
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12915

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-2008), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.