Improper Input Validation in Trend Micro Apex One and OfficeScan Products
CVE-2021-36742

7.8HIGH

Key Information:

Vendor
Trend Micro
Status
Trend Micro Apex One
Trend Micro Officescan
Trend Micro Worry-free Business Security
Vendor
CVE Published:
29 July 2021

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

An improper input validation vulnerability exists in various Trend Micro products, including Apex One, Apex One as a Service, OfficeScan XG, and Worry-Free Business Security 10.0 SP1. This flaw allows local attackers who possess the capability to execute low-privileged code on the targeted system to escalate their privileges. Effective remediation strategies should be implemented to safeguard against potential exploitation of this vulnerability.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Trend Micro Apex One 2019, SaaS

Trend Micro OfficeScan XG SP1

Trend Micro Worry-Free Business Security 10.0 SP1

References

https://success.trendmicro.com/solution/000287819
x_refsource_MISC
https://success.trendmicro.com/solution/000287820
x_refsource_MISC
https://success.trendmicro.com/jp/solution/000287796
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.