CVE-2025-3771: High severity Trellix SIR vulnerability
A path or symbolic link manipulation vulnerability in SIR 1.0.3 and prior versions allows an authenticated non-admin local user to overwrite system files with SIR backup files, which can potentially cause a system crash. This was achieved by adding a malicious entry to the registry under the Trellix SIR registry folder or via policy or with a junction symbolic link to files that the user would not normally have permission to acces
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-3771?
CVE-2025-3771 is considered a high-severity vulnerability due to the potential for authenticated users to overwrite critical system files.
How do I fix CVE-2025-3771?
To mitigate CVE-2025-3771, update Trellix SIR to version 1.0.4 or later, which addresses the path manipulation vulnerability.
Who is affected by CVE-2025-3771?
CVE-2025-3771 affects authenticated non-admin local users of Trellix SIR version 1.0.3 or earlier.
What are the potential consequences of CVE-2025-3771?
The exploitation of CVE-2025-3771 can lead to system crashes and unauthorized modifications of system files.
Is CVE-2025-3771 remotely exploitable?
CVE-2025-3771 is not remotely exploitable as it requires local authenticated access to the affected system.