CVE-2020-24556
A vulnerability in Trend Micro Apex One, OfficeScan XG SP1, Worry-Free Business Security 10 SP1 and Worry-Free Business Security Services on Microsoft Windows may allow an attacker to create a hard link to any file on the system, which then could be…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.78%). 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, OfficeScan XG SP1, Worry-Free Business Security 10 SP1 and Worry-Free Business Security Services on Microsoft Windows may allow an attacker to create a hard link to any file on the system, which then could be manipulated to gain a privilege escalation and code execution. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Please note that version 1909 (OS Build 18363.719) of Microsoft Windows 10 mitigates hard links, but previous versions are affected.
- 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
- 0.78% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-59
- 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/000263632Vendor Advisory
- https://success.trendmicro.com/solution/000263633Vendor Advisory
- https://success.trendmicro.com/solution/000267260Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1093/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000263632Vendor Advisory
- https://success.trendmicro.com/solution/000263633Vendor Advisory
- https://success.trendmicro.com/solution/000267260Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1093/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.