Vulnerability · Published Mar 9, 2022 · Assigned by microsoft

CVE-2022-23277Microsoft Exchange Server Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity security flaw in Microsoft Exchange Server 2013 Cumulative Update 23 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 41.1% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)41.1%top 1.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling2Metasploit, Public PoC

Official description

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 – before 15.00.1497.033
Microsoft Microsoft Exchange Server 2016 Cumulative Update 21 15.01.0 – before 15.01.2308.027
Microsoft Microsoft Exchange Server 2019 Cumulative Update 10 15.02.0 – before 15.02.0922.027
Microsoft Microsoft Exchange Server 2016 Cumulative Update 22 15.0.0 – before 15.01.2375.024
Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0 – before 15.02.0986.022

References