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CVE-2021-42012

HIGH
7.8
CVSS Score
Published: October 21, 2021 at 07:46 AM UTC
Updated: June 17, 2026 at 04:09 AM UTC
3 products affected across 1 vendorApex OneWorry-Free Business SecurityWorry Free Business Security Services

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Severity
HIGH7.8
Exploit prediction
EPSS 0.6%

Description

A stack-based buffer overflow vulnerability in Trend Micro Apex One, Apex One as a Service and Worry-Free Business Security 10.0 SP1 could allow 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://success.trendmicro.com/solution/000289229
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://success.trendmicro.com/solution/000289230
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-21-1221/

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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