title: WIN-911 2021 Incorrect Default Permissions
description: WIN-911 2021 R1 and R2 are vulnerable to a permissions misconfiguration that may allow an attacker to locally write files to the program Operator Workspace directory, which holds DLL files and executables. A low-privilege attacker could write a malicious DLL file to the Operator Workspace directory to achieve privilege escalation and the permissions of the user running the program.
problem types: CWE-276 Incorrect Default Permissions
affected:
{
product: WIN-911
vendor: WIN-911
versions:
status: affected, version: 2021 R1 5.21.10
status: affected, version: 2021 R2 5.21.17
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: LOW
baseScore: 5.6
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
version: 3.1
]
solutions: WIN-911 has released a hotfix that removes write access for the user’s group on the affected directory subfolders. For the hotfix and more information.