CVE-2020-1454

Name: CVE-2020-1454
Creator: NVD / NIST
Published: 2020-07-14T23:15:20.323+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2020-1454 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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'.. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

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'.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

1.57%

72.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1454Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1454Patch, Vendor Advisory

Timeline

Published: Jul 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1454?

How severe is CVE-2020-1454?

CVE-2020-1454 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1454?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1454?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST