Buffer overflow in AOL Instant Messenger (AIM) 5.2.3292 allows remote attackers to execute arbitrary code via an aim:getfile URL with a long screen name.
Conclusion & alert: CVE-2003-1503 is rated High Risk (69.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.62%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 2026-06-15 | 6.50% | 4.62% | -1.88% |
| 2 | 2026-06-13 | 6.26% | 6.50% | +0.24% |
| 3 | 2025-03-30 | — | 6.26% | — |
Full EPSS history (13 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] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| aol | instant_messenger | 5.2.3292 | cpe:2.3:a:aol:instant_messenger:5.2.3292:*:*:*:*:*:*:* |