CVE-2003-1503

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.

Published: 2003-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-1503 is rated High Risk (66.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 6.26%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2003-1503

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 11.53% 6.26% -5.26%
2 2025-03-29 6.26% 11.53% +5.26%
3 2025-03-19 — 6.26% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1503

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2003-1503

Affected software / configurations for CVE-2003-1503

Vendor Product Version Raw CPE
aol instant_messenger 5.2.3292 cpe:2.3:a:aol:instant_messenger:5.2.3292:*:*:*:*:*:*:*

References for CVE-2003-1503

cvelogic Threat Intelligence