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Vulnerability record · CVE-2018-12571 · published 5 July 2018

CVE-2018-12571: Microsoft forefront unified access gateway server-side request forgery (ssrf) vulnerability

Microsoft · Forefront Unified Access Gateway

uniquesig0/InternalSite/InitParams.aspx in Microsoft Forefront Unified Access Gateway 2010 allows remote attackers to trigger outbound DNS queries for arbitrary hosts via a comma-separated list of URLs in the orig_url parameter, possibly causing a traffic amplification and/or SSRF outcome.

9.8 CVSS 3.0 Critical EPSS 30% · top 1.8% CWE-918 · Server-side request forgery (SSRF)
9.8CVSS 3.0 base score, v2 7.5
30%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

uniquesig0/InternalSite/InitParams.aspx in Microsoft Forefront Unified Access Gateway 2010 allows remote attackers to trigger outbound DNS queries for arbitrary hosts via a comma-separated list of URLs in the orig_url parameter, possibly causing a traffic amplification and/or SSRF outcome.

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

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/148389/Microsoft-Forefront-Unified-Access-Gateway-2010-External-DNS-Interaction.htm ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Jul/2 ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2018/Jul/7 ExploitMailing ListThird Party Advisory
http://www.securitytracker.com/id/1041212 Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/148389/Microsoft-Forefront-Unified-Access-Gateway-2010-External-DNS-Interaction.htm ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Jul/2 ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2018/Jul/7 ExploitMailing ListThird Party Advisory
http://www.securitytracker.com/id/1041212 Third Party AdvisoryVDB Entry

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2018-12571), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.