CVE-2021-1718

Name: CVE-2021-1718
Creator: NVD / NIST
Published: 2021-01-12T20:15:34.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 2.59%

Last modified Jun 17, 2026

CVE-2021-1718 is a high-severity vulnerability rated 8/10 on the CVSS scale. Microsoft SharePoint Server Tampering Vulnerability. EPSS estimates a 2.59% chance of exploitation in the next 30 days.

Description

Microsoft SharePoint Server Tampering Vulnerability

Metrics

CVSS 3.1

8/10

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

EPSS Probability

2.59%

83.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Sharepoint Foundation	2010	Sp2

References

Timeline

Published: Jan 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1718?

Microsoft SharePoint Server Tampering Vulnerability

How severe is CVE-2021-1718?

CVE-2021-1718 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 2.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1718?

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-2021-1718?

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

Scan your code now

Source: NVD / NIST