Vulnerability Monitor

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CVE-2018-8547

A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka "Active Directory Federation Services XSS Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.4, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required requiring only low-level privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 6 products from microsoft, from microsoft, from microsoft and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-11-14T01:29:01.037

Last Modified

2024-11-21T04:14:01.230

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microsoft	windows_10	1607	Yes
Operating System	microsoft	windows_10	1709	Yes
Operating System	microsoft	windows_10	1803	Yes
Operating System	microsoft	windows_10	1809	Yes
Operating System	microsoft	windows_8.1	-	Yes
Operating System	microsoft	windows_rt_8.1	-	Yes
Operating System	microsoft	windows_server_2012	r2	Yes
Operating System	microsoft	windows_server_2016	-	Yes
Operating System	microsoft	windows_server_2016	1709	Yes
Operating System	microsoft	windows_server_2016	1803	Yes
Operating System	microsoft	windows_server_2019	-	Yes

References

http://www.securityfocus.com/bid/105801 Third Party Advisory, VDB Entry ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/105801 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.