CVE-2023-21709: Microsoft Exchange Server Elevation of Privilege Vulnerability
First published: Tue Aug 08 2023(Updated: )
Microsoft Exchange Server Elevation of Privilege Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Exchange Server 2019 | =12 | |
| Microsoft Exchange Server 2016 | =23 | |
| Microsoft Exchange Server 2019 | =13 | |
| Microsoft Exchange Server | =2016 | |
| Microsoft Exchange Server | =2016-cumulative_update_1 | |
| Microsoft Exchange Server | =2016-cumulative_update_10 | |
| Microsoft Exchange Server | =2016-cumulative_update_11 | |
| Microsoft Exchange Server | =2016-cumulative_update_12 | |
| Microsoft Exchange Server | =2016-cumulative_update_13 | |
| Microsoft Exchange Server | =2016-cumulative_update_14 | |
| Microsoft Exchange Server | =2016-cumulative_update_15 | |
| Microsoft Exchange Server | =2016-cumulative_update_16 | |
| Microsoft Exchange Server | =2016-cumulative_update_17 | |
| Microsoft Exchange Server | =2016-cumulative_update_18 | |
| Microsoft Exchange Server | =2016-cumulative_update_19 | |
| Microsoft Exchange Server | =2016-cumulative_update_2 | |
| Microsoft Exchange Server | =2016-cumulative_update_20 | |
| Microsoft Exchange Server | =2016-cumulative_update_21 | |
| Microsoft Exchange Server | =2016-cumulative_update_22 | |
| Microsoft Exchange Server | =2016-cumulative_update_3 | |
| Microsoft Exchange Server | =2016-cumulative_update_4 | |
| Microsoft Exchange Server | =2016-cumulative_update_5 | |
| Microsoft Exchange Server | =2016-cumulative_update_6 | |
| Microsoft Exchange Server | =2016-cumulative_update_7 | |
| Microsoft Exchange Server | =2016-cumulative_update_8 | |
| Microsoft Exchange Server | =2016-cumulative_update_9 | |
| Microsoft Exchange Server | =2019 | |
| Microsoft Exchange Server | =2019-cumulative_update_1 | |
| Microsoft Exchange Server | =2019-cumulative_update_10 | |
| Microsoft Exchange Server | =2019-cumulative_update_11 | |
| Microsoft Exchange Server | =2019-cumulative_update_2 | |
| Microsoft Exchange Server | =2019-cumulative_update_3 | |
| Microsoft Exchange Server | =2019-cumulative_update_4 | |
| Microsoft Exchange Server | =2019-cumulative_update_5 | |
| Microsoft Exchange Server | =2019-cumulative_update_6 | |
| Microsoft Exchange Server | =2019-cumulative_update_7 | |
| Microsoft Exchange Server | =2019-cumulative_update_8 | |
| Microsoft Exchange Server | =2019-cumulative_update_9 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2023-21709?
CVE-2023-21709 is a Microsoft Exchange Server Elevation of Privilege vulnerability.
How severe is CVE-2023-21709?
CVE-2023-21709 has a severity rating of 9.8 (Critical).
Which versions of Microsoft Exchange Server are affected by CVE-2023-21709?
CVE-2023-21709 affects Microsoft Exchange Server 2016 (versions 23), Microsoft Exchange Server 2019 (versions 12 and 13).
How can I fix CVE-2023-21709?
To fix CVE-2023-21709, you can apply the patch provided by Microsoft in the following links: Exchange Server 2016 (https://www.microsoft.com/download/details.aspx?familyid=026d6264-dc26-4482-aad7-c7f8e250e872), Exchange Server 2019 (https://www.microsoft.com/download/details.aspx?familyid=5ffd5bed-1305-4505-b21a-caf4913d03da).
Where can I find more information about CVE-2023-21709?
You can find more information about CVE-2023-21709 on the Microsoft Security Response Center website: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21709.
- agent/author
- agent/type
- collector/msrc
- source/Microsoft
- collector/msrc-cve
- agent/last-modified-date
- agent/first-publish-date
- agent/software-canonical-lookup
- agent/title
- agent/weakness
- agent/references
- agent/severity
- agent/remedy
- agent/softwarecombine
- agent/event
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/tags
- agent/description
- collector/mitre-cve
- source/MITRE
- vendor/microsoft
- canonical/microsoft exchange server 2019
- version/microsoft exchange server 2019/13
- version/microsoft exchange server 2019/12
- canonical/microsoft exchange server 2016
- version/microsoft exchange server 2016/23
- canonical/microsoft exchange server
- version/microsoft exchange server/2016
- version/microsoft exchange server/2016-cumulative_update_1
- version/microsoft exchange server/2016-cumulative_update_10
- version/microsoft exchange server/2016-cumulative_update_11
- version/microsoft exchange server/2016-cumulative_update_12
- version/microsoft exchange server/2016-cumulative_update_13
- version/microsoft exchange server/2016-cumulative_update_14
- version/microsoft exchange server/2016-cumulative_update_15
- version/microsoft exchange server/2016-cumulative_update_16
- version/microsoft exchange server/2016-cumulative_update_17
- version/microsoft exchange server/2016-cumulative_update_18
- version/microsoft exchange server/2016-cumulative_update_19
- version/microsoft exchange server/2016-cumulative_update_2
- version/microsoft exchange server/2016-cumulative_update_20
- version/microsoft exchange server/2016-cumulative_update_21
- version/microsoft exchange server/2016-cumulative_update_22
- version/microsoft exchange server/2016-cumulative_update_3
- version/microsoft exchange server/2016-cumulative_update_4
- version/microsoft exchange server/2016-cumulative_update_5
- version/microsoft exchange server/2016-cumulative_update_6
- version/microsoft exchange server/2016-cumulative_update_7
- version/microsoft exchange server/2016-cumulative_update_8
- version/microsoft exchange server/2016-cumulative_update_9
- version/microsoft exchange server/2019
- version/microsoft exchange server/2019-cumulative_update_1
- version/microsoft exchange server/2019-cumulative_update_10
- version/microsoft exchange server/2019-cumulative_update_11
- version/microsoft exchange server/2019-cumulative_update_2
- version/microsoft exchange server/2019-cumulative_update_3
- version/microsoft exchange server/2019-cumulative_update_4
- version/microsoft exchange server/2019-cumulative_update_5
- version/microsoft exchange server/2019-cumulative_update_6
- version/microsoft exchange server/2019-cumulative_update_7
- version/microsoft exchange server/2019-cumulative_update_8
- version/microsoft exchange server/2019-cumulative_update_9