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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- 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
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- trendmicro/apex one · trendmicro/worry-free business security · trendmicro/worry-free business security services
- Source
- security@trendmicro.com
References
- https://success.trendmicro.com/solution/000289229Patch, Vendor Advisory
- https://success.trendmicro.com/solution/000289230Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1218/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000289229Patch, Vendor Advisory
- https://success.trendmicro.com/solution/000289230Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1218/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.