CVE-2020-1100 — Cross-site Scripting in Microsoft Sharepoint Enterprise Server

CWE-79 — Cross-site ScriptingCWE-122 — Heap-based Buffer Overflow5 documents5 sources
Severity
5.4MEDIUMNVD
EPSS
0.9%
top 24.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Microsoft Sharepoint Enterprise ServerMicrosoft Sharepoint ServerMicrosoft Sharepoint Enterprise Server+2 more
Timeline
PublishedMay 21
Latest updateMay 24

Description

A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-1099, CVE-2020-1101, CVE-2020-1106.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages5 packages

▶NVDmicrosoft/sharepoint_server2010, 2019+1
▶CVEListV5microsoft/microsoft_sharepoint_server2010 Service Pack 2, 2019+1
▶CVEListV5microsoft/microsoft_sharepoint_enterprise_server2013 Service Pack 1, 2016+1

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-4wv8-v68w-x5mv: A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an af↗2022-05-24
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CVEList
CVE-2020-1100: A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an af↗2020-05-21
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📋Vendor Advisories

2
Microsoft
Microsoft Office SharePoint XSS Vulnerability↗2020-05-12
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Red Hat
ncurses: Heap buffer overflow in fmt_entry function in progs/dump_entry.c:1100↗2019-05-03
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CVE-2020-1100 — Cross-site Scripting in Microsoft | cvebase