SpiderControl SCADA Webserver versions 2.08 and prior are vulnerable to path traversal. An attacker with administrative privileges could overwrite files on the webserver using the HMI's upload file feature. This could create size zero files anywhere on the webserver, potentially overwriting system files and creating a denial-of-service condition.
Conclusion & alert: CVE-2023-3329 is rated Moderate Risk (45.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.83%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.07% | 0.83% | +0.77% |
| 2 | 2025-11-21 | 0.23% | 0.07% | -0.17% |
| 3 | 2025-11-18 | — | 0.23% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
1.2 | 5.2 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| spidercontrol | scadawebserver | <= 2.08 | cpe:2.3:a:spidercontrol:scadawebserver:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/icsa-23-173-03 | Third Party Advisory US Government Resource |