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CVE-2021-3848

5.5 · MEDIUM

An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services cou…

Published Oct 6, 2021EPSS 0.23%

Overview

CVE-2021-3848 is a medium-severity vulnerability. It was published on October 6, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services could allow a local attacker to create an arbitrary file with higher privileges that could lead to a denial-of-service (DoS) 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refsuccess.trendmicro.com/solution/000289183Refsuccess.trendmicro.com/solution/000289183

How CyberStrike helps

Frequently asked questions

What is CVE-2021-3848?

CVE-2021-3848 is a medium-severity vulnerability. It was published on October 6, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2021-3848?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-3848?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-3848?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-3848 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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