SARA / Free Tools / KEV / CVE-2020-24557

CVE-2020-24557 on CISA KEV

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 attack

CISA KEV — Actively Exploited

Trend Micro Multiple Products Improper Access Control Vulnerability

Vendor / Product
— / Trend Micro / Apex One, OfficeScan, and Worry-Free Business Security
Added to KEV
2021-11-03
BOD 22-01 due
2022-05-03
Ransomware use
Unknown
CVSS / EPSS
· EPSS 1.88%

01What CISA says about this vulnerability

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…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
Trend MicroTrend Micro Apex One2009 (on premise), SaaS
Trend MicroTrend Micro WorryFree Business Security — 10.0 SP1

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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