CVE-2020-0891 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Sharepoint Enterprise Server	2016
Microsoft	Sharepoint Foundation	2010
Microsoft	Sharepoint Server	2019

Related Weaknesses (CWE)

CWE-79

References

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

FAQ

What is CVE-2020-0891?

CVE-2020-0891 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 b...

How severe is CVE-2020-0891?

CVE-2020-0891 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-0891?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.