CVE-2021-42321 - Vulnerability Details - OpenCVE

Microsoft Exchange Server Remote Code Execution Vulnerability

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is in the KEV database since Nov. 17, 2021.

Exploitation active

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Exchange Server

Configuration 1 [-]

OR	cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21::::::
	cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11::::::

No data.

References

Link	Providers
http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html
http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321

History

Tue, 04 Feb 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2021-11-17'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2021-11-10T00:47:43.000Z

Updated: 2025-02-04T19:14:35.921Z

Reserved: 2021-10-12T00:00:00.000Z

Link: CVE-2021-42321

Vulnrichment

Updated: 2024-08-04T03:30:38.363Z

NVD

Status : Analyzed

Published: 2021-11-10T01:19:50.047

Modified: 2025-03-07T21:54:07.007

Link: CVE-2021-42321

Redhat

No data.

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