CVE-2020-24557

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Summary

CVECVE-2020-24557
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-09-01 19:15:00 UTC
Updated2022-07-12 17:42:00 UTC
DescriptionA 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.

Risk And Classification

EPSS: 0.026390000 probability, percentile 0.839710000 (date 2026-07-22)

CISA KEV: Listed on 2021-11-03; due 2022-05-03; ransomware use Unknown

Problem Types: NVD-CWE-Other

CISA Known Exploited Vulnerability

VendorTrend Micro
ProductApex One, OfficeScan, and Worry-Free Business Security
NameTrend Micro Multiple Products Improper Access Control Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2020-24557

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows - All All All
Operating System Microsoft Windows - All All All
Application Trendmicro Apex One 2019 All All All
Application Trendmicro Apex One saas All All All
Application Trendmicro Apex One 2019 All All All
Application Trendmicro Apex One saas All All All
Application Trendmicro Worry-free Business Security 10.0 sp1 All All

References

ReferenceSourceLinkTags
SECURITY BULLETIN: August 2020 Security Bulletin for Trend Micro Apex One and Apex One as a Service MISC success.trendmicro.com Vendor Advisory
SECURITY BULLETIN: September 2020 Security Bulletin for Trend Micro Worry-Free Business Security and Worry-Free Business Security Services MISC success.trendmicro.com
ZDI-20-1094 | Zero Day Initiative MISC www.zerodayinitiative.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 375757 Trend Micro Apex One(On-Prem) Multiple Vulnerabilities(000263632)(August 2020)
  • 375758 Trend Micro OfficeScan XG Hard Link Privilege Escalation Vulnerability(000263632)

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