CVE-2020-24559
A vulnerability in Trend Micro Apex One, Worry-Free Business Security 10.0 SP1 and Worry-Free Business Security Services on macOS may allow an attacker to manipulate a certain binary to load and run a script from a user-writable folder, which then would…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability in Trend Micro Apex One, Worry-Free Business Security 10.0 SP1 and Worry-Free Business Security Services on macOS may allow an attacker to manipulate a certain binary to load and run a script from a user-writable folder, which then would allow them to execute arbitrary code as root. 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
- 0.80% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-59
- Affected
- trendmicro/apex one · trendmicro/officescan · trendmicro/worry-free business security · trendmicro/worry-free business security services
- Source
- security@trendmicro.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://success.trendmicro.com/solution/000263632Vendor Advisory
- https://success.trendmicro.com/solution/000267260Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1096/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000263632Vendor Advisory
- https://success.trendmicro.com/solution/000267260Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1096/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.