What is the severity of CVE-2017-11932?

CVE-2017-11932 has been classified with a medium severity rating.

How do I fix CVE-2017-11932?

To fix CVE-2017-11932, you should apply the latest cumulative update for Microsoft Exchange Server.

Which versions of Microsoft Exchange Server are affected by CVE-2017-11932?

CVE-2017-11932 affects Microsoft Exchange Server 2016 cumulative update 5 and earlier versions.

Can CVE-2017-11932 lead to unauthorized access?

Yes, CVE-2017-11932 allows attackers to potentially spoof requests, which could lead to unauthorized access.

Is authentication impacted by CVE-2017-11932?

Yes, CVE-2017-11932 impacts the way Outlook Web Access (OWA) validates web requests, affecting authentication mechanisms.

Vulnerability/
CVE-2017-11932

high

8.1

CWE

12/12/2017

2/1/2018

CVE-2017-11932: Input Validation

First published: Tue Dec 12 2017(Updated: )

Microsoft Exchange Server 2016 CU5 and Microsoft Exchange Server 2016 CU5 allow a spoofing vulnerability due to the way Outlook Web Access (OWA) validates web requests, aka "Microsoft Exchange Spoofing Vulnerability".

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Exchange Server	=2016-cumulative_update_6
Microsoft Exchange Server	=2016-cumulative_update_7

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11932

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-11932?
CVE-2017-11932 has been classified with a medium severity rating.
How do I fix CVE-2017-11932?
To fix CVE-2017-11932, you should apply the latest cumulative update for Microsoft Exchange Server.
Which versions of Microsoft Exchange Server are affected by CVE-2017-11932?
CVE-2017-11932 affects Microsoft Exchange Server 2016 cumulative update 5 and earlier versions.
Can CVE-2017-11932 lead to unauthorized access?
Yes, CVE-2017-11932 allows attackers to potentially spoof requests, which could lead to unauthorized access.
Is authentication impacted by CVE-2017-11932?
Yes, CVE-2017-11932 impacts the way Outlook Web Access (OWA) validates web requests, affecting authentication mechanisms.

agent/severity
agent/author
agent/weakness
agent/references
agent/type
agent/description
agent/event
agent/softwarecombine
agent/first-publish-date
agent/last-modified-date
agent/remedy
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/microsoft
canonical/microsoft exchange server
version/microsoft exchange server/2016-cumulative_update_6
version/microsoft exchange server/2016-cumulative_update_7

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Contact

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Frequently Asked Questions

What is the severity of CVE-2017-11932?
CVE-2017-11932 has been classified with a medium severity rating.
How do I fix CVE-2017-11932?
To fix CVE-2017-11932, you should apply the latest cumulative update for Microsoft Exchange Server.
Which versions of Microsoft Exchange Server are affected by CVE-2017-11932?
CVE-2017-11932 affects Microsoft Exchange Server 2016 cumulative update 5 and earlier versions.
Can CVE-2017-11932 lead to unauthorized access?
Yes, CVE-2017-11932 allows attackers to potentially spoof requests, which could lead to unauthorized access.
Is authentication impacted by CVE-2017-11932?
Yes, CVE-2017-11932 impacts the way Outlook Web Access (OWA) validates web requests, affecting authentication mechanisms.