CVE-2021-25247
A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below...
A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below could allow an attacker to use a malicious DLL to escalate privileges and perform arbitrary code execution. An attacker must already have user privileges on the machine to exploit this vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below could allow an attacker to use a malicious DLL to escalate privileges and perform arbitrary code execution. An attacker must already have user privileges on the machine to exploit this vulnerability.
- Record
CVE-2021-25247- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.4 Medium
AV:L/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-427
- Updated
- 2026-11-02
CVE List No score
A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below could allow an attacker to use a malicious DLL to escalate privileges and perform arbitrary code execution. An attacker must already have user privileges on the machine to exploit this vulnerability.
- Record
CVE-2021-25247- Updated
- 2026-11-02
EUVDEUVD-2021-12158 No score
A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below could allow an attacker to use a malicious DLL to escalate privileges and perform arbitrary code execution. An attacker must already have user privileges on the machine to exploit this vulnerability.
- Record
EUVD-2021-12158- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v5j3-vp2m-wg9g No score
A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below...
A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below could allow an attacker to use a malicious DLL to escalate privileges and perform arbitrary code execution. An attacker must already have user privileges on the machine to exploit this vulnerability.
- Record
GHSA-v5j3-vp2m-wg9g- Weakness
- CWE-427
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25247 is a high vulnerability (CVSS 7.8) in Trend Micro Housecall For Home Networks, published January 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. No source names a fixed version.