What is the severity of CVE-2019-1233?

CVE-2019-1233 is classified as a denial of service vulnerability with a high severity rating.

How do I fix CVE-2019-1233?

To address CVE-2019-1233, apply the latest cumulative updates for Microsoft Exchange Server as recommended by Microsoft.

What versions of Microsoft Exchange Server are affected by CVE-2019-1233?

CVE-2019-1233 affects Microsoft Exchange Server 2016 (cumulative update 12 and 13) and Microsoft Exchange Server 2019 (cumulative update 1 and 2).

What are the potential impacts of CVE-2019-1233?

The potential impact of CVE-2019-1233 includes service disruption due to denial of service attacks targeting Exchange Server.

Is there a workaround for CVE-2019-1233?

There are no known workarounds for CVE-2019-1233, and applying the update is the recommended mitigation.

Vulnerability/
CVE-2019-1233

high

7.8

11/9/2019

4/8/2024

CVE-2019-1233

First published: Wed Sep 11 2019(Updated: )

A denial of service vulnerability exists in Microsoft Exchange Server software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Denial of Service Vulnerability'.

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Exchange Server	=2016-cumulative_update_12
Microsoft Exchange Server	=2016-cumulative_update_13
Microsoft Exchange Server	=2019-cumulative_update_1
Microsoft Exchange Server	=2019-cumulative_update_2

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1233

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1233

Frequently Asked Questions

What is the severity of CVE-2019-1233?
CVE-2019-1233 is classified as a denial of service vulnerability with a high severity rating.
How do I fix CVE-2019-1233?
To address CVE-2019-1233, apply the latest cumulative updates for Microsoft Exchange Server as recommended by Microsoft.
What versions of Microsoft Exchange Server are affected by CVE-2019-1233?
CVE-2019-1233 affects Microsoft Exchange Server 2016 (cumulative update 12 and 13) and Microsoft Exchange Server 2019 (cumulative update 1 and 2).
What are the potential impacts of CVE-2019-1233?
The potential impact of CVE-2019-1233 includes service disruption due to denial of service attacks targeting Exchange Server.
Is there a workaround for CVE-2019-1233?
There are no known workarounds for CVE-2019-1233, and applying the update is the recommended mitigation.

agent/type
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
agent/severity
agent/author
agent/references
agent/remedy
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/tags
agent/source
vendor/microsoft
canonical/microsoft exchange server
version/microsoft exchange server/2016-cumulative_update_12
version/microsoft exchange server/2016-cumulative_update_13
version/microsoft exchange server/2019-cumulative_update_1
version/microsoft exchange server/2019-cumulative_update_2

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