CVE-2002-0454

Exp

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.

Published: 2002-08-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2002-0454

EDB-ID Source Kind Published Link
21345 exploit_db edb 2002-03-15 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-0454

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0454

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-0454

Affected software / configurations for CVE-2002-0454

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:*:*:*:*:*:*:*

References for CVE-2002-0454

cvelogic Threat Intelligence