cve-2021-34473
Vulnerability from cvelistv5
Published
2021-07-14 17:54
Modified
2025-02-04 15:42
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Summary
Microsoft Exchange Server Remote Code Execution Vulnerability
References
secure@microsoft.comhttp://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473Patch, Vendor Advisory
secure@microsoft.comhttps://www.zerodayinitiative.com/advisories/ZDI-21-821/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-21-821/Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Version: 15.00.0   < 15.00.1497.015
    cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Version: 15.02.0   < 15.02.0858.010
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Version: 15.01.0   < 15.01.2242.008
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Version: 15.01.0   < 15.01.2176.012
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Version: 15.02.0   < 15.02.0792.013
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
 Create a notification for this product.
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-11-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-34473

Show details on NVD website

To clipboard 

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