Microsoft Active Directory Federation Services Cross-Site Scripting Vulnerability
CVE-2020-1055 is fixed in 13 products on 1 platform, first by KB4551853, released May 12, 2020. It is not reported as exploited. Patch Radar priority: High.
<p>A cross-site-scripting (XSS) vulnerability exists when Active Directory Federation Services (ADFS) does not properly sanitize user inputs. An un-authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected ADFS server.</p> <p>The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run scripts in the security context of the current user.</p> <p>This security update addresses the vulnerability by ensuring that ADFS properly sanitizes user inputs.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1809 for 32-bit Systems | 17763.1217 | KB4551853 | May 12, 2020 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.1217 | KB4551853 | May 12, 2020 |
| Windows 10 Version 1809 for x64-based Systems | 17763.1217 | KB4551853 | May 12, 2020 |
| Windows 10 Version 1903 for 32-bit Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1903 for ARM64-based Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1903 for x64-based Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1909 for 32-bit Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1909 for ARM64-based Systems | KB4556799 | May 12, 2020 | |
| Windows 10 Version 1909 for x64-based Systems | KB4556799 | May 12, 2020 | |
| Windows Server 2019 | 17763.1217 | KB4551853 | May 12, 2020 |
| Windows Server 2019 (Server Core installation) | 17763.1217 | KB4551853 | May 12, 2020 |
| Windows Server, version 1903 (Server Core installation) | KB4556799 | May 12, 2020 | |
| Windows Server, version 1909 (Server Core installation) | KB4556799 | May 12, 2020 | |
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