CVE-2021-36742 on CISA KEV

A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to ex

01What CISA says about this vulnerability

A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• success.trendmicro.com — https://success.trendmicro.com/solution/000287819
• success.trendmicro.com — https://success.trendmicro.com/solution/000287820
• success.trendmicro.com — https://success.trendmicro.com/jp/solution/000287796
• success.trendmicro.com — https://success.trendmicro.com/jp/solution/000287815

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)

06Detection

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

Open in Sigma generator →