Vulnerability · Published Mar 12, 2020 · Assigned by microsoft

CVE-2020-0891

Medium 5.4

In plain English

A medium-severity cross-site scripting in Microsoft SharePoint Enterprise Server from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)1.5%top 25.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

This vulnerability is caused when SharePoint Server does not properly sanitize a specially crafted request to an affected SharePoint server.An authenticated attacker could exploit this vulnerability by sending a specially crafted request to an affected SharePoint server, aka 'Microsoft SharePoint Reflective XSS Vulnerability'. This CVE ID is unique from CVE-2020-0795.

Affected products (as reported)

Vendor	Product	Versions
Microsoft	Microsoft SharePoint Enterprise Server	2016
Microsoft	Microsoft SharePoint Server	2019
Microsoft	Microsoft SharePoint Foundation	2010 Service Pack 22013 Service Pack 1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0891 x_refsource_MISC