CVE-2020-0656

Name: CVE-2020-0656
Creator: NVD / NIST
Published: 2020-01-14T23:15:33.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2020-0656 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A cross site scripting vulnerability exists when Microsoft Dynamics 365 (on-premises) does not properly sanitize a specially crafted web request to an affected Dynamics server, aka 'Microsoft Dynamics 365 (On-Premise) Cross Site Scripting Vulnerability'.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

A cross site scripting vulnerability exists when Microsoft Dynamics 365 (on-premises) does not properly sanitize a specially crafted web request to an affected Dynamics server, aka 'Microsoft Dynamics 365 (On-Premise) Cross Site Scripting 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

1.47%

70.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Microsoft	Dynamics 365	7.0

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0656Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0656Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-0656?

How severe is CVE-2020-0656?

CVE-2020-0656 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0656?

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-2020-0656?

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

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Source: NVD / NIST