SARA / Free Tools / KEV / CVE-2022-40139

CVE-2022-40139 on CISA KEV

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to rem

CISA KEV — Actively Exploited

Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability

Vendor / Product
— / Trend Micro / Apex One and Apex One as a Service
Added to KEV
2022-09-15
BOD 22-01 due
2022-10-06
Ransomware use
Unknown
CVSS / EPSS
· EPSS 11.80%

01What CISA says about this vulnerability

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order…

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 One2019 (on-prem) and SaaS

06Detection

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

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