CVE-2018-16794 Server-side request forgery in n/a

High 8.6 Published 18 Sep 2018 Updated 5 Aug 2024

An attacker can exploit an SSRF vulnerability in Microsoft ADFS to access internal resources or bypass security controls.

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-2018-16794?

CVE-2018-16794 is a high-severity server-side request forgery vulnerability in n/a, published on 18 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.

Weakness: CWE-918

Which versions are affected by CVE-2018-16794?

It affects 1 product.

Products include Microsoft Active Directory Federation Services.

How do I fix CVE-2018-16794?

No fix has been published for CVE-2018-16794 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2018-16794 being exploited?

There is no known exploitation of CVE-2018-16794 in the wild and no public exploit code.

Sources

Also known as GHSA-59vp-r459-3wcr.