CVE-2020-16875

Microsoft Exchange Server Remote Code Execution Vulnerability

<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>

Affected

Microsoft · Microsoft Exchange Server 2019 Cumulative Update 5 · Microsoft Exchange Server 2019 Cumulative Update 6 · Microsoft Exchange Server 2016 Cumulative Update 16 · Microsoft Exchange Server 2016 Cumulative Update 17

CVSS v3.1 NVD

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 MICROSOFT

8.4 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

46.50% chance of exploitation in the next 30 days, 99th percentile

Published

2020-09-11

Updated

2024-08-04

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/159210/Microsoft-Exchange-Server-DlpUtils-AddTenantD…

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/exchange_ecp_dlp_po…

Exploit collections (1)

• Bypass for Microsoft Exchange远程代码执行 CVE-2020-16875.mdtzwlhack/Vulnerability

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16875

References

• CVE Record
• NVD entry