Vulnerability Details : CVE-2020-16875
Public exploit exists!
<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>
Vulnerability category: Execute code
Products affected by CVE-2020-16875
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-16875
35.81%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2020-16875
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Microsoft Exchange Server DlpUtils AddTenantDlpPolicy RCE
Disclosure Date: 2021-01-12First seen: 2020-09-16exploit/windows/http/exchange_ecp_dlp_policyThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Exchange Server. Authentication is required to exploit this vulnerability. Additionally, the target user must have the "Data Loss Prevention" role assigned and a
CVSS scores for CVE-2020-16875
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST | |
|
8.4
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
1.7
|
6.0
|
Microsoft Corporation |
CWE ids for CVE-2020-16875
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The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-16875
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http://packetstormsecurity.com/files/159210/Microsoft-Exchange-Server-DlpUtils-AddTenantDlpPolicy-Remote-Code-Execution.html
Microsoft Exchange Server DlpUtils AddTenantDlpPolicy Remote Code Execution ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16875
CVE-2020-16875 | Microsoft Exchange Server Remote Code Execution VulnerabilityPatch;Vendor Advisory
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