CVE-2023-0587
9.1
CRITICAL · CVSS 3.1 · EPSS 59.6% (pctl 99)
Patch early
EPSS 59.6% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.1 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| EPSS | 59.59% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-434 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-02-01 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| trendmicro | apex one |
References
→ the Explorer · watch your stack · NVD