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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- trendmicro/apex one
- Source
- security@trendmicro.com
References
- https://success.trendmicro.com/solution/000289229Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1220/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000289229Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1220/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.