Vulnerability in Microsoft Windows
CVE-2021-42011
An incorrect permission assignment vulnerability in Trend Micro Apex One and Apex One as a Service could allow a local attacker to load a DLL with escalated 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (26.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Microsoft Windows
- Trend Micro Apex One — versions 2019, SaaS
- Trendmicro Apex One — versions 2019
Weakness classification (CWE)
References
- success.trendmicro.com/solution/000289229 (Patch, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-1220/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-42011?
- CVE-2021-42011 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2021-10-21.
- How severe is CVE-2021-42011?
- High severity. CVSS v3 base score is 7.8 out of 10.