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CVE-2017-11777

5.4 · MEDIUM

Microsoft SharePoint Enterprise Server 2013 SP1 and Microsoft SharePoint Enterprise Server 2016 allow an attacker to exploit a cross-site scripting (XSS) vulnerability by sending a specially crafte…

Published Oct 13, 2017CWE-79EPSS 2.27%

Overview

CVE-2017-11777 is a medium-severity vulnerability. It was published on October 13, 2017 and has a CVSS 3.0 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Microsoft SharePoint Enterprise Server 2013 SP1 and Microsoft SharePoint Enterprise Server 2016 allow an attacker to exploit a cross-site scripting (XSS) vulnerability by sending a specially crafted request to an affected SharePoint server, due to how SharePoint Server sanitizes web requests, aka "Microsoft Office SharePoint XSS Vulnerability". This CVE ID is unique from CVE-2017-11775 and CVE-2017-11820.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.securityfocus.com/bid/101155Refwww.securitytracker.com/id/1039540Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11777Refwww.securityfocus.com/bid/101155Refwww.securitytracker.com/id/1039540Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11777

How CyberStrike helps

Frequently asked questions

What is CVE-2017-11777?

CVE-2017-11777 is a medium-severity vulnerability. It was published on October 13, 2017 and has a CVSS 3.0 base score of 5.4 (MEDIUM).

How severe is CVE-2017-11777?

This vulnerability has a CVSS 3.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-11777?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2017-11777?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-11777 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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