CVE-2017-11761 Information disclosure in Microsoft Exchange Server

Medium 5.3 Published Updated

An input sanitization flaw in Microsoft Exchange Server allows attackers to potentially disclose sensitive information.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-11761?

CVE-2017-11761 is a medium-severity vulnerability in Microsoft Exchange Server, published on 13 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 allow an input sanitization issue with Microsoft Exchange that could potentially result in unintended Information Disclosure, aka "Microsoft Exchange Information Disclosure Vulnerability"

Weakness: CWE-200

Which versions are affected by CVE-2017-11761?

It affects 1 product.

Products include Microsoft Exchange Server.

How do I fix CVE-2017-11761?

No fix has been published for CVE-2017-11761 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-11761 being exploited?

There is no known exploitation of CVE-2017-11761 in the wild and no public exploit code.

All Microsoft Exchange Server vulnerabilities

Sources

Also known as GHSA-pf3p-qjm3-w7j2.

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