Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
High
Attack Vector
Network
0

CVE-2021-31207

Disclosure Date: May 11, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Microsoft Exchange Server Security Feature Bypass Vulnerability

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CVSS V3 Severity and Metrics
Base Score:
7.2 High
Impact Score:
5.9
Exploitability Score:
1.2
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • Microsoft

Products

  • Microsoft Exchange Server 2013,
  • Microsoft Exchange Server 2019 Cumulative Update 9,
  • Microsoft Exchange Server 2016 Cumulative Update 20,
  • Microsoft Exchange Server 2016 Cumulative Update 19,
  • Microsoft Exchange Server 2019 Cumulative Update 8

Additional Info

Technical Analysis