Information disclosure in Microsoft Exchange Server - CVE-2020-17143
Published: December 8, 2020 / Updated: December 14, 2020
Vulnerability identifier: #VU48853
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-17143
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Microsoft Exchange Server
Microsoft Exchange Server
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Microsoft Exchange. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2020-17143
Install updates from vendor's website.