CVE-2021-45440
A unnecessary privilege vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security 10.0 SP1 (on-prem versions only) could allow a local attacker to abuse an impersonation privilege and elevate to a higher level of privileges.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A unnecessary privilege vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security 10.0 SP1 (on-prem versions only) could allow a local attacker to abuse an impersonation privilege and elevate to a higher level of privileges. 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
- 0.46% probability · 39th 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/000289996Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-016/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000289996Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-016/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.