CVE-2018-16794

Name: CVE-2018-16794
Creator: NVD / NIST
Published: 2018-09-18T21:29:03.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.03%

Last modified Jun 17, 2026

CVE-2018-16794 is a vulnerability of currently unknown severity. Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.. EPSS estimates a 8.03% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

8.03%

94.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Microsoft	Active Directory Federation Services	<= 4.0

References

http://packetstormsecurity.com/files/149376/Microsoft-ADFS-4.0-Windows-Server-2016-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2018/Sep/13Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/105378Third Party Advisory, VDB Entry
https://seclists.org/bugtraq/2018/Sep/26Exploit, Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/149376/Microsoft-ADFS-4.0-Windows-Server-2016-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2018/Sep/13Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/105378Third Party Advisory, VDB Entry
https://seclists.org/bugtraq/2018/Sep/26Exploit, Mailing List, Third Party Advisory

Timeline

Published: Sep 18, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-16794?

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

How severe is CVE-2018-16794?

Severity scoring for CVE-2018-16794 is pending analysis. The EPSS model estimates a 8.03% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16794?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-16794?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST