AUGUST 4, 2026
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Case File

CVE-2023-0587

CRITICAL · CVSS 9.1 EPSS 59.59%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-02-01 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. It affects Office. Its EPSS score suggests a 59.6% probability of exploitation in the next 30 days. It may be remotely exploitable.

CVE
CVE-2023-0587
Severity
CRITICAL
CVSS
9.1
EPSS
59.59%
Office

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)