CVE-2021-28483: Microsoft Exchange Server Remote Code Execution Vulnerability
First published: Tue Apr 13 2021(Updated: )
Microsoft Exchange Server Remote Code Execution Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| =2013-cumulative_update_23 | ||
| =2016-cumulative_update_19 | ||
| =2016-cumulative_update_20 | ||
| =2019-cumulative_update_8 | ||
| =2019-cumulative_update_9 | ||
| Microsoft Exchange Server | =2013-cumulative_update_23 | |
| Microsoft Exchange Server | =2016-cumulative_update_19 | |
| Microsoft Exchange Server | =2016-cumulative_update_20 | |
| 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
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-28483?
CVE-2021-28483 is classified as a critical remote code execution vulnerability.
How do I fix CVE-2021-28483?
To mitigate CVE-2021-28483, apply the latest cumulative updates provided by Microsoft for affected versions of Exchange Server.
What versions of Microsoft Exchange Server are affected by CVE-2021-28483?
CVE-2021-28483 affects Microsoft Exchange Server versions 2013, 2016, and 2019, specifically certain cumulative updates.
What are the potential impacts of exploiting CVE-2021-28483?
Exploitation of CVE-2021-28483 can allow an attacker to execute arbitrary code on the affected Exchange Server.
Is there a workaround for CVE-2021-28483 before patching?
It is recommended to apply the patch as the most effective solution, but implementing strict firewall rules may help reduce exposure temporarily.
- agent/type
- agent/first-publish-date
- agent/author
- agent/softwarecombine
- agent/description
- agent/title
- agent/remedy
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/zdnet-article
- source/ZDNet
- alias/CVE-2024-21410
- alias/CVE-2021-28480
- alias/CVE-2021-28481
- alias/CVE-2021-28482
- alias/CVE-2021-28483
- agent/severity
- agent/references
- agent/event
- zeroday/true
- agent/news-ai
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/trending
- agent/source
- vendor/microsoft
- canonical/microsoft exchange server
- version/microsoft exchange server/2013-cumulative_update_23
- version/microsoft exchange server/2016-cumulative_update_19
- version/microsoft exchange server/2016-cumulative_update_20
- version/microsoft exchange server/2019-cumulative_update_8
- version/microsoft exchange server/2019-cumulative_update_9