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CVE-2015-2556

4.3 · MEDIUM

The InfoPath Forms Services component in Microsoft SharePoint Server 2007 SP3 and 2010 SP2 misparses DTDs, which allows remote attackers to read arbitrary files via an XML document containing an ex…

Published Oct 14, 2015microsoftCWE-200EPSS 15.25%

Overview

CVE-2015-2556 is a medium-severity vulnerability affecting microsoft sharepoint_server. It was published on October 14, 2015 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

The InfoPath Forms Services component in Microsoft SharePoint Server 2007 SP3 and 2010 SP2 misparses DTDs, which allows remote attackers to read arbitrary files via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka "Microsoft SharePoint Information Disclosure Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update sharepoint_server 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

Refwww.securitytracker.com/id/1033804Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-110Refwww.securitytracker.com/id/1033804Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-110

How CyberStrike helps

Frequently asked questions

What is CVE-2015-2556?

CVE-2015-2556 is a medium-severity vulnerability affecting microsoft sharepoint_server. It was published on October 14, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2015-2556?

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-2015-2556?

Check the references section for vendor advisories and patches from microsoft. Update sharepoint_server 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-2015-2556?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-2556 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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