Vulnerability · Published Feb 1, 2023 · Assigned by trendmicro

CVE-2023-0587

Critical 9.1

In plain English

A critical-severity unrestricted file upload in Trend Micro Apex One. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 59.6% (higher than 99.1% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)59.6%top 0.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
n/a Trend Micro Apex One Build 11110

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References