CVE-2020-16969 Information

Description

An information disclosure vulnerability exists in how Microsoft Exchange validates tokens when handling certain messages aka ‘Microsoft Exchange Information Disclosure Vulnerability’.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Reference

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16969

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5