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Vulnerabilities

Vulnerability · CVE-2025-0664

A locally authenticated, privileged user can craft a malicious OpenSSL configuration file, potentially leading the agent to load an arbitrary local library.

Published Jul 21, 2025 · catalog updated Jul 21, 2025 · Trellix Trellix Endpoint Security (HX) Agent

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-0664. EPSS is 0.20%. Act only if a listed version of Trellix Trellix Endpoint Security (HX) Agent is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Vendor / distro source
Affected products
vendor Trellix Trellix Endpoint Security (HX) Agent 36.30.0 and 35.31.28

A locally authenticated, privileged user can craft a malicious OpenSSL configuration file, potentially leading the agent to load an arbitrary local library. This may impair endpoint defenses and allow the attacker to achieve code execution with SYSTEM-level privileges.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Trellix Trellix Endpoint Security (HX) Agent 36.30.0 and 35.31.2836.30.0 and 35.31.28

How to fix CVE-2025-0664

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-0664. EPSS is 0.20%. Act only if a listed version of Trellix Trellix Endpoint Security (HX) Agent is installed.

Which versions are affected?

Compare what you have installed with Trellix Trellix Endpoint Security (HX) Agent 36.30.0 and 35.31.28 36.30.0 and 35.31.28. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 21, 2025 · EUVD

    Detected

    A locally authenticated, privileged user can craft a malicious OpenSSL configuration file, potentially leading the agent to load an arbitrary local library. This may impair endpoint defenses and allow the attacker to achieve code execution with SYSTEM-level privileges.

  2. Jul 21, 2025 · EUVD

    Updated

    A locally authenticated, privileged user can craft a malicious OpenSSL configuration file, potentially leading the agent to load an arbitrary local library. This may impair endpoint defenses and allow the attacker to achieve code execution with SYSTEM-level privileges.

Sources

  • CVE.orgVulnerability recordCVE-2025-0664

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-0664

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2025-22054

    A locally authenticated, privileged user can craft a malicious OpenSSL configuration file, potentially leading the agent to load an arbitrary local library. This may impair endpoint defenses and allow the attacker to achieve code execution with SYSTEM-level privileges.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 21, 2026