Improper Access Control in Trend Micro's Apex One and OfficeScan Products
CVE-2021-25253

7.8HIGH

Key Information:

Vendor
Trend Micro
Status
Trend Micro Apex One
Trend Micro Officescan
Vendor
CVE Published:
13 April 2021

Badges

👾 Exploit Exists🟡 Public PoC

Summary

An improper access control vulnerability exists within Trend Micro's Apex One and OfficeScan products. This flaw enables local attackers who have gained low-privileged code execution on an affected system to escalate their privileges. Exploiting this vulnerability could allow additional unauthorized access or actions by the attacker within the compromised installation.

Affected Version(s)

Trend Micro Apex One 2019, SaaS

Trend Micro OfficeScan XG SP1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-25253
Created by msd0pe-1

References

https://success.trendmicro.com/solution/000286019
x_refsource_MISC
https://success.trendmicro.com/solution/000286157
x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-21-401/
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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.