CVE-2021-32463
CVE-2021-32463 is a high-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Trendmicro Apex One
- Published:
- Last modified:
Description
An incorrect permission assignment denial-of-service vulnerability in Trend Micro Apex One, Apex One as a Service (SaaS), Worry-Free Business Security 10.0 SP1 and Worry-Free Servgices could allow a local attacker to escalate privileges and delete files with system 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.
Frequently asked questions
- What is CVE-2021-32463?
- An incorrect permission assignment denial-of-service vulnerability in Trend Micro Apex One, Apex One as a Service (SaaS), Worry-Free Business Security 10.0 SP1 and Worry-Free Servgices could allow a local attacker to escalate privileges and delete files with system 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.
- How severe is CVE-2021-32463?
- CVE-2021-32463 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-32463 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-32463?
- CVE-2021-32463 primarily affects Trendmicro Apex One. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-32463?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-32463 published?
- CVE-2021-32463 was published on 2021-07-20 and last updated on 2026-06-17.
References
- https://success.trendmicro.com/solution/000286855
- https://success.trendmicro.com/solution/000286856
- https://www.zerodayinitiative.com/advisories/ZDI-21-786/
Affected products (2)
- cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*
- cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*
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