Buffer overflow in (1) lprintf and (2) cprintf in sysdep.c of Citadel/UX 5.90 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attacks such as a long HELO command to the SMTP server.
Conclusion & alert: CVE-2002-0432 is rated High Risk (69.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.53%). 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 | 2026-01-01 | 5.99% | 4.53% | -1.46% |
| 2 | 2025-07-27 | 3.78% | 5.99% | +2.21% |
| 3 | 2025-03-30 | — | 3.78% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| URL | Tags |
|---|---|
| http://online.securityfocus.com/archive/1/260934 | Vendor Advisory |
| http://uncensored.citadel.org/pub/citadel/citadel-ux-5.91.tar.gz | |
| http://www.iss.net/security_center/static/8426.php | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/4263 | Patch Vendor Advisory |