CVE-2020-0903

State: Published
Severity: 5.4 Medium
Published: Mar 12, 2020
Updated: Feb 28, 2025
Reserved: Nov 4, 2019

Description

A cross-site-scripting (XSS) vulnerability exists when Microsoft Exchange Server does not properly sanitize a specially crafted web request to an affected Exchange server, aka 'Microsoft Exchange Server Spoofing Vulnerability'.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
Microsoft Exchange Server 2019 Cumulative Update 4Microsoft	unspecifiedAffected
Microsoft Exchange Server 2016 Cumulative Update 15Microsoft	unspecifiedAffected
Microsoft Exchange Server 2019 Cumulative Update 3Microsoft	unspecifiedAffected
Microsoft Exchange Server 2016 Cumulative Update 14Microsoft	unspecifiedAffected

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0903

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