CVE-2025-30640: deep security — Fix

Description

A link following vulnerability in Trend Micro Deep Security 20.0 agents could allow a local attacker to escalate 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.

Is your site exposed to CVE-2025-30640?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-59 CWE-59

Affected Products

Vendor	Product	Versions
trendmicro	deep_security_agent	< 20.0.1
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
trendmicro	deep_security_agent	All
microsoft	windows	All

References

Advisories & Patches

https://success.trendmicro.com/en-US/solution/KA-0019344

Other References

https://www.zerodayinitiative.com/advisories/ZDI-25-239/

Frequently Asked Questions

What is CVE-2025-30640? +

A link following vulnerability in Trend Micro Deep Security 20.0 agents could allow a local attacker to escalate 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. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-30640? +

CVE-2025-30640 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-30640? +

CVE-2025-30640 affects products from microsoft, trendmicro, specifically: deep_security_agent, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-30640? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-12503

Improper Link Resolution (CWE-59) in `/usr/bin/larm_starter` in Loytec L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 …

CVE-2025-30371

Metabase is a business intelligence and embedded analytics tool. Versions prior to v0.52.16.4, v1.52.16.4, v0.53.8, and v1.53.8 are vulnerable to …

CVE-2025-4211

Improper Link Resolution Before File Access ('Link Following') vulnerability in QFileSystemEngine in the Qt corelib module on Windows which potentially …

CVE-2025-2102

Improper Link Resolution Before File Access ('Link Following') vulnerability in HYPR Passwordless on Windows allows Privilege Escalation.This issue affects HYPR …

CVE-2025-52936

Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.

CVE-2025-53109

Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). Versions of Filesystem prior …

CVE-2025-30640