CVE-2023-21745

HIGH

Microsoft Exchange Server - Spoofing via Deserialization of Untrusted Data

Title source: llm
STIX 2.1

Description

Microsoft Exchange Server Spoofing Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 8.0
EPSS 0.0150
EPSS Percentile 70.9%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (2)
microsoft/exchange_server 2016 cumulative_update_23
microsoft/exchange_server 2019 cumulative_update_11 (2 CPE variants)
Published Jan 10, 2023
Tracked Since Feb 18, 2026