Cross-Site Scripting Vulnerability in Microsoft Exchange Server
CVE-2020-0903

5.4MEDIUM

Key Information:

Vendor
Microsoft
Status
Microsoft Exchange Server 2019 Cumulative Update 4
Microsoft Exchange Server 2016 Cumulative Update 15
Microsoft Exchange Server 2019 Cumulative Update 3
Microsoft Exchange Server 2016 Cumulative Update 14
Vendor
CVE Published:
12 March 2020

Summary

A cross-site scripting vulnerability exists in Microsoft Exchange Server due to insufficient sanitization of specially crafted web requests. This flaw allows attackers to execute arbitrary scripts in the context of a user's session, potentially leading to data theft or unauthorized access. Users of affected versions are advised to apply the latest security updates to mitigate this risk.

Affected Version(s)

Microsoft Exchange Server 2016 Cumulative Update 14 = unspecified

Microsoft Exchange Server 2016 Cumulative Update 15 = unspecified

Microsoft Exchange Server 2019 Cumulative Update 3 = unspecified

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.