CVE-2020-17121

Name: CVE-2020-17121
Creator: NVD / NIST
Published: 2020-12-10T00:15:14.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.94%

Last modified Jun 17, 2026

CVE-2020-17121 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Microsoft SharePoint Remote Code Execution Vulnerability. EPSS estimates a 2.94% chance of exploitation in the next 30 days.

Description

Microsoft SharePoint Remote Code Execution Vulnerability

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.94%

85.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Sharepoint Foundation	2010	Sp2
Microsoft	Sharepoint Foundation	2013	Sp1
Microsoft	Sharepoint Server	2016	—
Microsoft	Sharepoint Server	2019	—

References

Timeline

Published: Dec 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17121?

Microsoft SharePoint Remote Code Execution Vulnerability

How severe is CVE-2020-17121?

CVE-2020-17121 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.94% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17121?

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-2020-17121?

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

Scan your code now

Source: NVD / NIST