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Vulnerability record · CVE-2018-16794 · published 18 September 2018

CVE-2018-16794: Microsoft active directory federation services server-side request forgery (ssrf) vulnerability

Microsoft · Active Directory Federation Services

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

8.6 CVSS 3.0 High EPSS 8.0% · top 5.4% CWE-918 · Server-side request forgery (SSRF)
8.6CVSS 3.0 base score, v2 5.0
8.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 6 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/149376/Microsoft-ADFS-4.0-Windows-Server-2016-Server-Side-Request-Forgery.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Sep/13 ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/105378 Third Party AdvisoryVDB Entry
https://seclists.org/bugtraq/2018/Sep/26 ExploitMailing ListThird Party Advisory
http://packetstormsecurity.com/files/149376/Microsoft-ADFS-4.0-Windows-Server-2016-Server-Side-Request-Forgery.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Sep/13 ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/105378 Third Party AdvisoryVDB Entry
https://seclists.org/bugtraq/2018/Sep/26 ExploitMailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.0CVE-2014-6331Microsoft active directory federation services permissions and access controls vulnerabilityMicrosoft Active Directory Federation Services (AD FS) 2.0, 2.1, and 3.0, when a configured SAML Relying Party lacks a sign-out endpoint, does not pr…EPSS 20%5.0CVE-2013-3185Microsoft active directory federation services information exposure vulnerabilityMicrosoft Active Directory Federation Services (AD FS) 1.x through 2.1 on Windows Server 2003 R2 SP2, Windows Server 2008 SP2 and R2 SP1, and Windows…EPSS 40%4.3CVE-2015-1757Microsoft active directory federation services cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in adfs/ls in Active Directory Federation Services (AD FS) in Microsoft Windows Server 2008 SP2 and R2 SP1 a…EPSS 11%10.0CVE-2026-83548SonicWall SMA1000 pre-auth SSRF via alternate access pathThe SMA1000 Appliance Work Place interface exposes an unintended alternate access path that allows server-side request forgery before authentication.…KEVEPSS 8.8%analysed10.0CVE-2026-49869Kestra OSS auth bypass via path suffix match enables RCEKestra OSS AuthenticationFilter whitelists the public config endpoint using request.getPath().endsWith("/configs"), a suffix match instead of an exac…KEVEPSS 2.1%analysed9.3CVE-2026-64849MLflow unauthenticated webhook test endpoint SSRF via redirectMLflow before 3.15.0 validates the webhook URL only on the original request, while the delivery code follows redirects and re-resolves the hostname w…KEVEPSS 9.8%analysed10.0CVE-2026-15409SonicWall SMA1000 Work Place SSRF allows unauthenticated requestsThe SMA1000 Appliance Work Place interface contains a server-side request forgery flaw (CWE-918) that lets the appliance be induced to make requests …KEVEPSS 6.8%analysed8.6CVE-2026-20230Cisco Unified CM SSRF enables file write and root escalationCisco Unified Communications Manager and Unified CM SME fail to properly validate input for specific HTTP requests, allowing server-side request forg…KEVEPSS 88%analysed

Source: NIST National Vulnerability Database (record CVE-2018-16794), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.