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CVE-2020-17142

Published: Dec 9, 2020Updated: Aug 28, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo
9.1CRITICAL
NVD MITRE
EPSS Score
3.5%
Top 12.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Microsoft Exchange Remote Code Execution Vulnerability

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Microsoft Exchange ServerMicrosoft Corp
On-prem
Operating Systems
exchange servermicrosoft
On-prem
Operating Systems / windows
Microsoft Exchange Server 2013 Cumulative Update 23Microsoft
On-prem
Enterprise Software / itsm-monitoring
Microsoft Exchange Server 2016 Cumulative Update 17Microsoft
On-prem
Operating Systems / windows
Microsoft Exchange Server 2016 Cumulative Update 18Microsoft
On-premOS
Operating Systems / windows
microsoft corpcommercialUSOperating Systemsaka microsoft corporation
microsoftcommercialUSOperating Systems
and 2 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17142
msrc.microsoft.com
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17142
portal.msrc.microsoft.com

Timeline

Published
Dec 9, 2020
Last Updated
Aug 28, 2025

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