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CVE-2023-0587

9.1 · CRITICAL

A file upload vulnerability in exists in Trend Micro Apex One server build 11110.

Published Feb 1, 2023CWE-434EPSS 59.59%

Overview

CVE-2023-0587 is a critical-severity vulnerability. It was published on February 1, 2023 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A file upload vulnerability in exists in Trend Micro Apex One server build 11110. Using a malformed Content-Length header in an HTTP PUT message sent to URL /officescan/console/html/cgi/fcgiOfcDDA.exe, an unauthenticated remote attacker can upload arbitrary files to the SampleSubmission directory (i.e., \PCCSRV\TEMP\SampleSubmission) on the server. The attacker can upload a large number of large files to fill up the file system on which the Apex One server is installed.

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

Refwww.tenable.com/security/research/tra-2023-5Refwww.tenable.com/security/research/tra-2023-5Refwww.tenable.com/security/research/tra-2023-5

How CyberStrike helps

Frequently asked questions

What is CVE-2023-0587?

CVE-2023-0587 is a critical-severity vulnerability. It was published on February 1, 2023 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2023-0587?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-0587?

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-2023-0587?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-0587 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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