Vulnerability in Microsoft Windows
CVE-2021-31519
An incorrect permission vulnerability in the product installer folders for Trend Micro HouseCall for Home Networks version 5.3.1179 and below could allow an attacker to escalate privileges by placing arbitrary code on a specified folder and have that code be executed by an Administrator who is running a scan. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system to exploit this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (25.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.6% 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 Housecall For Home Networks — versions 5.3.1179 and below
- Trendmicro Housecall For Home Networks
Weakness classification (CWE)
References
- helpcenter.trendmicro.com/en-us/article/TMKA-10310 (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-475/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-31519?
- CVE-2021-31519 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Default Permissions. CVSS score: 7.3/10. Published 2021-05-12.
- How severe is CVE-2021-31519?
- High severity. CVSS v3 base score is 7.3 out of 10.