CVE-2021-42321
Vulnerability from cvelistv5
Published
2021-11-10 00:47
Modified
2025-02-04 19:14
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Microsoft Exchange Server Remote Code Execution Vulnerability
References
secure@microsoft.comhttp://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
secure@microsoft.comhttp://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321Patch, Vendor Advisory
Impacted products
Vendor Product Version
Microsoft Microsoft Exchange Server 2016 Cumulative Update 21 Version: 15.01.0   < 15.01.2308.020
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 10 Version: 15.02.0   < 15.02.0792.019
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 22 Version: 15.0.0   < 15.01.2375.017
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 Version: 15.02.0   < 15.02.0986.014
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*
 Create a notification for this product.
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-17

Due date: 2021-12-01

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-42321

Show details on NVD website

To clipboard 

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