CVE-2020-16875

high Microsoft
CVSS v3 Base Score
8.4
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
EPSS Score
86.5%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: September 11, 2020 (2071 days ago)
Last Modified: February 23, 2026
Vendor: Microsoft

Description

<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.</p> <p>An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. Exploitation of the vulnerability requires an authenticated user in a certain Exchange role to be compromised.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Exchange handles cmdlet arguments.</p>

CWE

CWE-74

Affected Products

microsoft exchange server

References

🔗 packetstormsecurity.com 🔗 portal.msrc.microsoft.com 🔗 packetstormsecurity.com 🔗 portal.msrc.microsoft.com