The official piwik Docker images before fpm-alpine (Alpine specific) contain a blank password for a root user. Systems using the Piwik Docker container deployed by affected versions of the Docker image may allow an remote attacker to achieve root access.
Conclusion & alert: CVE-2020-29578 is rated High Risk (66/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.07%). Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2025-03-30 | 4.06% | 2.07% | -1.98% |
| 2 | 2025-03-29 | 2.07% | 4.06% | +1.98% |
| 3 | 2025-03-17 | — | 2.07% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| matomo | piwik_fpm-alpine_docker_image | 3 | cpe:2.3:a:matomo:piwik_fpm-alpine_docker_image:3:*:*:*:*:*:*:* |
| matomo | piwik_fpm-alpine_docker_image | 3.5 | cpe:2.3:a:matomo:piwik_fpm-alpine_docker_image:3.5:*:*:*:*:*:*:* |
| matomo | piwik_fpm-alpine_docker_image | 3.5.1 | cpe:2.3:a:matomo:piwik_fpm-alpine_docker_image:3.5.1:*:*:*:*:*:*:* |
| matomo | piwik_fpm-alpine_docker_image | 3.6 | cpe:2.3:a:matomo:piwik_fpm-alpine_docker_image:3.6:*:*:*:*:*:*:* |
| matomo | piwik_fpm-alpine_docker_image | 3.6.0 | cpe:2.3:a:matomo:piwik_fpm-alpine_docker_image:3.6.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/koharin/koharin2/blob/main/CVE-2020-29578 | Third Party Advisory |