CVE-2018-12571

uniquesig0/InternalSite/InitParams.aspx in Microsoft Forefront Unified Access Gateway 2010 allows...

9.8 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

30.7%Up 17.6 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2018-12571
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-918
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-12571
Updated: 2026-11-02

EUVDEUVD-2018-4531 No score

Record: EUVD-2018-4531
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rcm8-cg2r-pcq3 9.8

uniquesig0/InternalSite/InitParams.aspx in Microsoft Forefront Unified Access Gateway 2010 allows...

Record: GHSA-rcm8-cg2r-pcq3
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

Affected products

microsoft forefront unified access gateway

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-12571 is a critical vulnerability (CVSS 9.8) in Microsoft Forefront Unified Access Gateway, published July 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 30.7%, the 98th percentile. No source names a fixed version.