CVE-2020-17143

Microsoft Exchange Server Information Disclosure Vulnerability

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17143
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23::::::
	cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17::::::
	cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7::::::

History

28 Aug 2025, 23:15

Type	Values Removed	Values Added
References		() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17143 -

21 Nov 2024, 05:07

Type	Values Removed	Values Added
References	~~() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17143 - Patch, Vendor Advisory

30 Dec 2023, 00:15

Type	Values Removed	Values Added
Summary	~~Microsoft Exchange Information Disclosure Vulnerability~~	Microsoft Exchange Server Information Disclosure Vulnerability
CWE	~~CWE-200~~	NVD-CWE-noinfo

Information

Published : 2020-12-10 00:15

Updated : 2025-08-28 23:15

NVD link : CVE-2020-17143

Mitre link : CVE-2020-17143

CVE.ORG link : CVE-2020-17143

JSON object : View

Products Affected

microsoft

exchange_server

CWE

NVD-CWE-noinfo

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