CVE-2021-42305

MEDIUM

Microsoft Exchange Server - Spoofing

Title source: llm
STIX 2.1

Description

Microsoft Exchange Server Spoofing Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0811
EPSS Percentile 94.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Details

Status published
Products (3)
microsoft/exchange_server 2013 cumulative_update_23
microsoft/exchange_server 2016 cumulative_update_21 (2 CPE variants)
microsoft/exchange_server 2019 cumulative_update_10 (2 CPE variants)
Published Nov 10, 2021
Tracked Since Feb 18, 2026