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Unscored Public exploit CVE-2020-1102 EUVD-2020-11990GHSA-xq28-w75v-29rr

Microsoft SharePoint Remote Code Execution Vulnerability

Published May 21, 2020 · Updated Aug 19, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Microsoft SharePoint Enterprise Server 2016 Product: Microsoft SharePoint Server 2019

Description

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.
Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.
The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.

Affected products

VendorProductAffectedFixed
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – < publication publication
Microsoft Microsoft SharePoint Server 2019 16.0.0 – < publication publication

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • DanielRuf/snyk-js-jquery-565129 ★ 27 · Apr 14, 2020

    patches for SNYK-JS-JQUERY-565129, SNYK-JS-JQUERY-567880, CVE-2020-1102, CVE-2020-11023, includes the patches for SNYK-JS-JQUERY-174006, CVE-2019-11358, CVE-2019-5428

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References