CVE-2017-11932 Other in Microsoft Exchange Server

High 8.1 Published Updated

Attackers can spoof web requests in Outlook Web Access, bypassing validation mechanisms in Microsoft Exchange Server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-11932?

CVE-2017-11932 is a high-severity vulnerability in Microsoft Exchange Server, published on 12 Dec 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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".

Weakness: CWE-20

Which versions are affected by CVE-2017-11932?

It affects 1 product.

Products include Microsoft Exchange Server.

How do I fix CVE-2017-11932?

No fix has been published for CVE-2017-11932 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-11932 being exploited?

There is no known exploitation of CVE-2017-11932 in the wild and no public exploit code.

All Microsoft Exchange Server vulnerabilities

Sources

Also known as GHSA-fg2h-gf84-hw5h.

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