Actively exploited · Published Sep 1, 2020 · Assigned by trendmicro
CVE-2020-24557
High 7.8 Exploited
In plain English
A high-severity security flaw in Trend Micro Apex One from Trend Micro. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities). Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 3, 2022.
Official description
A vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 on Microsoft Windows may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function and attain privilege escalation. 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Trend Micro | Trend Micro Apex One | 2009 (on premise), SaaS |
| Trend Micro | Trend Micro Worry-Free Business Security | 10.0 SP1 |
References
- https://success.trendmicro.com/solution/000263632 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-20-1094/ x_refsource_MISC
- https://success.trendmicro.com/solution/000267260 x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-24557 government-resource