Privilege escalation in Microsoft Windows
CVE-2021-42106
Unnecessary privilege vulnerabilities in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1 and Worry-Free Business Security Services could allow a local attacker to escalate 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. This vulnerability is similar to but not identical to CVE-2021-42104, 42105 and 42107.
Vulnerability class: Privilege Escalation
EPSS: 0.004 (30.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Microsoft Windows
- Trend Micro Apex One — versions 2019, SaaS
- Trend Micro Worry-free Business Security — versions 10.0 SP1, Services (SaaS)
- Trendmicro Apex_one — versions 2019
- Trendmicro Worry-free_business_security — versions 10.0
- Trendmicro Worry-free_business_security_services
Weakness classification (CWE)
References
- security@trendmicro.com (Patch, x_refsource_MISC, Vendor Advisory)
- security@trendmicro.com (Patch, x_refsource_MISC, Vendor Advisory)
- security@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-42106?
- CVE-2021-42106 is a high-severity vulnerability in Microsoft Windows, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2021-10-21.
- How severe is CVE-2021-42106?
- High severity. CVSS v3 base score is 7.8 out of 10.