Apple QuickTime / Darwin Streaming Server before 4.1.3g allows remote attackers to cause a denial of service (crash) via a .. (dot dot) sequence followed by an MS-DOS device name (e.g. AUX) in a request to HTTP port 1220, a different vulnerability than CVE-2003-0421.
Conclusion & alert: CVE-2003-0502 is rated High Exploit Risk (87.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.43%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.62% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 1.81% | 3.43% | +1.62% |
| 2 | 2025-07-28 | 0.90% | 1.81% | +0.91% |
| 3 | 2025-03-30 | — | 0.90% | — |
Full EPSS history (10 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 |
|---|---|---|---|
| apple | darwin_streaming_server | <= 4.1.3g | cpe:2.3:a:apple:darwin_streaming_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0040.html | Exploit Vendor Advisory |
| http://www.rapid7.com/advisories/R7-0015.html |