CVE-2020-0903

MEDIUM

Microsoft Exchange Server - Cross-Site Scripting via Specially Crafted Web Request

Title source: llm

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'.

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

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

Scores

CVSS v3 5.4

EPSS 0.0165

EPSS Percentile 74.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

microsoft/exchange_server 2016 cumulative_update_14 (2 CPE variants)

microsoft/exchange_server 2019 cumulative_update_3 (2 CPE variants)

Published Mar 12, 2020

Tracked Since Feb 18, 2026