CVE-2017-11820
5.4 · MEDIUMOverview
CVE-2017-11820 is a medium-severity vulnerability affecting microsoft sharepoint_enterprise_server. 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-2017-11777.
Remediation
Check the references section for vendor advisories and patches from microsoft. Update sharepoint_enterprise_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
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2017-11820?
CVE-2017-11820 is a medium-severity vulnerability affecting microsoft sharepoint_enterprise_server. It was published on October 13, 2017 and has a CVSS 3.0 base score of 5.4 (MEDIUM).
How severe is CVE-2017-11820?
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-2017-11820?
Check the references section for vendor advisories and patches from microsoft. Update sharepoint_enterprise_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-2017-11820?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-11820 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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