Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2020-1255
Published: June 9, 2020
Vulnerability identifier: #VU28889
CSH Severity: Medium
CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1255
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the way Windows Background Intelligent Transfer Service (BITS) IIS module handles uploaded content. A remote authenticated attacker can upload restricted file types to an IIS-hosted folder
To exploit this vulnerability, an attacker would require permissions to upload files via BITS.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2020-1255
Install update from vendor's website.