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Servers and applications

CVE-2020-0903

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'.

Severity
Medium 5.4
Published
12 Mar 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server
  • Version 2016-cumulative_update_14
  • Version 2016-cumulative_update_15
  • Version 2019-cumulative_update_3
  • Version 2019-cumulative_update_4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-0903
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-0903