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CVE-2020-0656

16
FAUCET Score

CVE-2020-0656 describes a cross-site scripting (XSS) vulnerability in Microsoft Dynamics 365 (on-premises) that arises from improper sanitization of specially crafted web requests. This medium-severity vulnerability (CVSS 5.4) requires user interaction and authenticated access, allowing an attacker to inject malicious scripts, potentially leading to information disclosure or defacement. While there is no known active exploitation or publicly available exploit code, the vulnerability has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:dynamics_365:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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 Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.47%
Probability of exploitation in next 30 days
EPSS Percentile
71.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0147 is in the 96th percentile among its peer group of 15,239 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Dynamics 365 Field Service (on-premises) v7 series
View patch

Vendor Advisories (1)

microsoft2020-Jan/CVE-2020-0656Important

Microsoft Dynamics 365 (On-Premise) Cross Site Scripting Vulnerability

Jan 14, 2020

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2020-0656
PatchVendor Advisory