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CVE-2011-1895

4.3 · MEDIUM

CRLF injection vulnerability in Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 allows remote attackers to inject arbitrary HTTP headers, and conduct HTTP re…

Published Oct 12, 2011microsoftCWE-94EPSS 11.14%

Overview

CVE-2011-1895 is a medium-severity vulnerability affecting microsoft forefront_unified_access_gateway. It was published on October 12, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

CRLF injection vulnerability in Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 allows remote attackers to inject arbitrary HTTP headers, and conduct HTTP response splitting attacks and cross-site scripting (XSS) attacks, via unspecified vectors, aka "ExcelTable Response Splitting XSS Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update forefront_unified_access_gateway to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/76235Refwww.securityfocus.com/bid/49979Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13064Refosvdb.org/76235Refwww.securityfocus.com/bid/49979Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13064

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1895?

CVE-2011-1895 is a medium-severity vulnerability affecting microsoft forefront_unified_access_gateway. It was published on October 12, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2011-1895?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1895?

Check the references section for vendor advisories and patches from microsoft. Update forefront_unified_access_gateway to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-1895?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1895 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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