Qpopper (aka in.qpopper or popper) 4.0.3 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a very large string, which causes an infinite loop.
Conclusion & alert: CVE-2002-0454 is rated High Exploit Risk (66.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.18%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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 |
|---|---|---|---|---|
| 21345 | exploit_db | edb | 2002-03-15 | 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 | 5.48% | 5.18% | -0.30% |
| 2 | 2025-03-30 | 5.56% | 5.48% | -0.08% |
| 3 | 2025-03-29 | — | 5.56% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| qualcomm | qpopper | 4.0 | cpe:2.3:a:qualcomm:qpopper:4.0:*:*:*:*:*:*:* |
| qualcomm | qpopper | 4.0.1 | cpe:2.3:a:qualcomm:qpopper:4.0.1:*:*:*:*:*:*:* |
| qualcomm | qpopper | 4.0.2 | cpe:2.3:a:qualcomm:qpopper:4.0.2:*:*:*:*:*:*:* |
| qualcomm | qpopper | 4.0.3 | cpe:2.3:a:qualcomm:qpopper:4.0.3:*:*:*:*:*:*:* |