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CVE-2021-28483 - Security Update Guide - Microsoft - Microsoft Exchange Server R...
source link: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28483
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Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft
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- Customer Guidance
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Welcome to the new and improved Security Update Guide! We'd love your feedback. Please click here to share your thoughts or email us at [email protected]. Thank you!
Security Vulnerability
Released: Apr 13, 2021
Assigning CNA:
Microsoft
CVSS:3.0 9.0 / 7.8
Base score metrics(8)
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Temporal score metrics(3)
Exploit Code Maturity
Remediation Level
Report Confidence
Please see Common Vulnerability Scoring System for more information on the definition of these metrics.
Exploitability
The following table provides an exploitability assessment for this vulnerability at the time of original publication.
Publicly Disclosed
Exploited
Exploitability Assessment
Exploitation More Likely
Where can I find more information about protecting myself from this vulnerability?
Please see the MSRC Blog Post April 2021 Update Tuesday packages now available for more information.
Acknowledgements
- National Security Agency
Security Updates
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle.
Release date
Product
Platform
Impact
Severity
Article
Download
Details
Apr 13, 2021
Microsoft Exchange Server 2019 Cumulative Update 8
Remote Code Execution
Critical
Apr 13, 2021
Microsoft Exchange Server 2016 Cumulative Update 19
Remote Code Execution
Critical
Apr 13, 2021
Microsoft Exchange Server 2013 Cumulative Update 23
Remote Code Execution
Critical
Apr 13, 2021
Microsoft Exchange Server 2016 Cumulative Update 20
Remote Code Execution
Critical
Apr 13, 2021
Microsoft Exchange Server 2019 Cumulative Update 9
Remote Code Execution
Critical
Loaded all 5 rows
Disclaimer
The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Revisions
Version
Revision Date
Description
Apr 13, 2021
Information published.
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