CVE-2025-3771

| EUVD-2025-27856 HIGH
2025-06-26 [email protected]
7.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 15, 2026 - 23:54 euvd
EUVD-2025-27856
Analysis Generated
Mar 15, 2026 - 23:54 vuln.today
CVE Published
Jun 26, 2025 - 11:15 nvd
HIGH 7.1

Description

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

Analysis

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

Technical Context

A denial of service vulnerability allows an attacker to disrupt the normal functioning of a system, making it unavailable to legitimate users. This vulnerability is classified as Improper Link Resolution Before File Access (CWE-59).

Affected Products

Affected products: Trellix System Information Reporter

Remediation

Implement rate limiting and input validation. Use timeout mechanisms for resource-intensive operations. Deploy DDoS protection where applicable.

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +36
POC: 0

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CVE-2025-3771 vulnerability details – vuln.today

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