KEVIntel
7.2
CVSS
High

CVE-2021-31196

PUBLISHED

Microsoft Exchange Server Remote Code Execution Vulnerability

Exploited in the wild Remote Low complexity No user interaction
Vendor
Microsoft
Product
Microsoft Exchange Server 2019 Cumulative Update 9, Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Exchange Server 2019 Cumulative Update 10
Published
Jul 14, 2021
EPSS

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

cisa microsoft nessus_scanner

CVSS scores

CVSS v3.1 7.2 High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation status

Exploited in the wild

Recorded 2024-08-21 00:00:00 UTC · Source

SSVC decision points

Exploitation
active
Automatable
Yes
Technical impact
total

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CISA Aug 21, 2024

Scanner integrations

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/151664 Jun 02, 2025

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nessus