CVE-2021-44024
A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and...
A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
- Record
CVE-2021-44024- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 2.0
- 6.6 Medium
AV:L/AC:L/Au:N/C:N/I:C/A:C - Weakness
- CWE-59
- Updated
- 2026-11-02
CVE List No score
A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
- Record
CVE-2021-44024- Updated
- 2026-11-02
EUVDEUVD-2021-30883 No score
A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
- Record
EUVD-2021-30883- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h7p6-f3w3-3x2g No score
A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and...
A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
- Record
GHSA-h7p6-f3w3-3x2g- Weakness
- CWE-59
- 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-2021-44024 is a high vulnerability (CVSS 7.1) in Trend Micro Apex One, published January 8, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.