CVE-2020-16875

high-risk
Published 2020-09-11

<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>

Do I need to act?

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86.8% chance of exploitation in next 30 days
EPSS score — higher than 13% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.4/10 High
NETWORK / LOW complexity

Affected Vendors

59
/ 100
high-risk
Severity 29/34 · Critical
Exploitability 20/34 · Moderate
Exposure 10/34 · Low