Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2020-1337
Published: August 8, 2020 / Updated: April 6, 2021
Vulnerability identifier: #VU34127
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2020-1337
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the Windows Print Spooler service improperly allows arbitrary writing to the file system. A local user can use a specially crafted application to execute arbitrary code on the target system with elevated privileges.
Note, this vulnerability exists due to incomplete patching of SB2020051253 #1 (CVE-2020-1048)
How to mitigate CVE-2020-1337
Install updates from vendor's website.