CVE-2021-25253
Last modified
CVE-2021-25253 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service and OfficeScan XG SP1 on a resource used by the service 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.. EPSS estimates a 1.91% chance of exploitation in the next 30 days.
Description
An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service and OfficeScan XG SP1 on a resource used by the service 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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Trendmicro | Apex One | 2019 | — |
| Trendmicro | Officescan | xg | Sp1 |
References
- https://success.trendmicro.com/solution/000286019Vendor Advisory
- https://success.trendmicro.com/solution/000286157Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-401/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000286019Vendor Advisory
- https://success.trendmicro.com/solution/000286157Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-401/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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