CVE-2025-49157: CWE-269: Improper Privilege Management in Trend Micro, Inc. Trend Micro Apex One
A link following vulnerability in the Trend Micro Apex One Damage Cleanup Engine could allow a local attacker to escalation privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
AI Analysis
Technical Summary
CVE-2025-49157 is a high-severity vulnerability classified under CWE-269 (Improper Privilege Management) affecting Trend Micro Apex One 2019 (version 14.0). The vulnerability arises from a link following flaw in the Damage Cleanup Engine component of the product. Specifically, this flaw allows a local attacker, who already has the ability to execute code with low privileges on the affected system, to escalate their privileges to a higher level, potentially system or administrative privileges. The vulnerability does not require user interaction but does require the attacker to have some initial foothold with limited privileges on the system. The CVSS 3.1 base score of 7.8 reflects the fact that the attack vector is local (AV:L), the attack complexity is low (AC:L), privileges required are low (PR:L), no user interaction is needed (UI:N), and the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). This means that successful exploitation could lead to full compromise of the affected system, including unauthorized access to sensitive data, modification or destruction of data, and disruption of system operations. The vulnerability is currently published and no known exploits are reported in the wild. No patches or mitigation links have been provided yet, indicating that organizations using this version of Trend Micro Apex One should prioritize monitoring and containment strategies while awaiting official fixes. The vulnerability is particularly critical because Trend Micro Apex One is a security product often deployed in enterprise environments to protect endpoints, so a compromise here could undermine the overall security posture of an organization.
Potential Impact
For European organizations, the impact of CVE-2025-49157 can be significant. Trend Micro Apex One is widely used in enterprise and government sectors for endpoint protection. An attacker exploiting this vulnerability could escalate privileges on endpoints, potentially bypassing security controls and gaining administrative access. This could lead to unauthorized data access, lateral movement within networks, deployment of malware, or disruption of critical services. Given the high impact on confidentiality, integrity, and availability, sensitive personal data protected under GDPR could be exposed, leading to regulatory penalties and reputational damage. Additionally, critical infrastructure and industrial control systems protected by Apex One could be targeted, causing operational disruptions. The fact that exploitation requires local code execution means attackers might leverage other vulnerabilities or social engineering to gain initial access, then use this flaw to deepen their control. This layered attack approach increases the risk for organizations with complex IT environments and diverse user bases. The absence of known exploits in the wild currently provides a window for proactive defense, but the high severity score demands urgent attention to prevent potential future attacks.
Mitigation Recommendations
1. Immediate mitigation should include restricting local access to systems running Trend Micro Apex One 2019 (14.0) to trusted personnel only, minimizing the risk of local code execution by unauthorized users. 2. Implement strict application whitelisting and endpoint detection and response (EDR) solutions to detect and block suspicious local code execution attempts. 3. Employ network segmentation to limit lateral movement if an endpoint is compromised. 4. Monitor logs and alerts from Trend Micro Apex One for unusual activities, especially those related to the Damage Cleanup Engine or privilege escalation attempts. 5. Until an official patch is released, consider deploying compensating controls such as enhanced user privilege management, disabling unnecessary local accounts, and enforcing least privilege principles. 6. Conduct regular vulnerability scanning and penetration testing to identify if this vulnerability or related privilege escalation paths exist in the environment. 7. Educate users and administrators about the risk of local code execution vulnerabilities and enforce strong endpoint security hygiene. 8. Engage with Trend Micro support for any available workarounds or early patches and subscribe to their security advisories for timely updates.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Belgium, Sweden, Poland, Finland
CVE-2025-49157: CWE-269: Improper Privilege Management in Trend Micro, Inc. Trend Micro Apex One
Description
A link following vulnerability in the Trend Micro Apex One Damage Cleanup Engine could allow a local attacker to escalation privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
AI-Powered Analysis
Technical Analysis
CVE-2025-49157 is a high-severity vulnerability classified under CWE-269 (Improper Privilege Management) affecting Trend Micro Apex One 2019 (version 14.0). The vulnerability arises from a link following flaw in the Damage Cleanup Engine component of the product. Specifically, this flaw allows a local attacker, who already has the ability to execute code with low privileges on the affected system, to escalate their privileges to a higher level, potentially system or administrative privileges. The vulnerability does not require user interaction but does require the attacker to have some initial foothold with limited privileges on the system. The CVSS 3.1 base score of 7.8 reflects the fact that the attack vector is local (AV:L), the attack complexity is low (AC:L), privileges required are low (PR:L), no user interaction is needed (UI:N), and the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). This means that successful exploitation could lead to full compromise of the affected system, including unauthorized access to sensitive data, modification or destruction of data, and disruption of system operations. The vulnerability is currently published and no known exploits are reported in the wild. No patches or mitigation links have been provided yet, indicating that organizations using this version of Trend Micro Apex One should prioritize monitoring and containment strategies while awaiting official fixes. The vulnerability is particularly critical because Trend Micro Apex One is a security product often deployed in enterprise environments to protect endpoints, so a compromise here could undermine the overall security posture of an organization.
Potential Impact
For European organizations, the impact of CVE-2025-49157 can be significant. Trend Micro Apex One is widely used in enterprise and government sectors for endpoint protection. An attacker exploiting this vulnerability could escalate privileges on endpoints, potentially bypassing security controls and gaining administrative access. This could lead to unauthorized data access, lateral movement within networks, deployment of malware, or disruption of critical services. Given the high impact on confidentiality, integrity, and availability, sensitive personal data protected under GDPR could be exposed, leading to regulatory penalties and reputational damage. Additionally, critical infrastructure and industrial control systems protected by Apex One could be targeted, causing operational disruptions. The fact that exploitation requires local code execution means attackers might leverage other vulnerabilities or social engineering to gain initial access, then use this flaw to deepen their control. This layered attack approach increases the risk for organizations with complex IT environments and diverse user bases. The absence of known exploits in the wild currently provides a window for proactive defense, but the high severity score demands urgent attention to prevent potential future attacks.
Mitigation Recommendations
1. Immediate mitigation should include restricting local access to systems running Trend Micro Apex One 2019 (14.0) to trusted personnel only, minimizing the risk of local code execution by unauthorized users. 2. Implement strict application whitelisting and endpoint detection and response (EDR) solutions to detect and block suspicious local code execution attempts. 3. Employ network segmentation to limit lateral movement if an endpoint is compromised. 4. Monitor logs and alerts from Trend Micro Apex One for unusual activities, especially those related to the Damage Cleanup Engine or privilege escalation attempts. 5. Until an official patch is released, consider deploying compensating controls such as enhanced user privilege management, disabling unnecessary local accounts, and enforcing least privilege principles. 6. Conduct regular vulnerability scanning and penetration testing to identify if this vulnerability or related privilege escalation paths exist in the environment. 7. Educate users and administrators about the risk of local code execution vulnerabilities and enforce strong endpoint security hygiene. 8. Engage with Trend Micro support for any available workarounds or early patches and subscribe to their security advisories for timely updates.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- trendmicro
- Date Reserved
- 2025-06-02T17:43:08.724Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6851b8bca8c9212743861087
Added to database: 6/17/2025, 6:49:32 PM
Last enriched: 6/17/2025, 7:05:14 PM
Last updated: 7/30/2025, 4:18:25 PM
Views: 9
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