Remote execution of arbitrary commands through Guestbook CGI program.
Conclusion & alert: CVE-1999-0237 is rated Moderate Risk (60.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.31%). 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 | 2025-10-26 | 3.25% | 3.31% | +0.06% |
| 2 | 2025-10-15 | 4.01% | 3.25% | -0.76% |
| 3 | 2025-07-18 | — | 4.01% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-1999-0237: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-1999-0237 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| webcom | cgi_guestbook | — | cpe:2.3:a:webcom:cgi_guestbook:*:*:*:*:*:*:*:* |