CVE-2000-1039

Exp

Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the "NAPTHA" class of vulnerabilities. NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.

Published: 2001-01-09 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-1039 is rated High Exploit Risk (74.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 44.88%, 98th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +27.73% over the last day, indicating growing attacker interest. 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-2000-1039

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-1039

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 2026-03-04 17.15% 44.88% +27.73%
2 2026-03-01 44.88% 17.15% -27.73%
3 2026-02-04 — 44.88% —

Full EPSS history (38 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-1039

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-2000-1039

Affected software / configurations for CVE-2000-1039

Vendor Product Version Raw CPE
microsoft windows_95 — cpe:2.3:o:microsoft:windows_95:*:*:*:*:*:*:*:*
microsoft windows_98 — cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*
microsoft windows_98se — cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:*
microsoft windows_me — cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*

References for CVE-2000-1039

cvelogic Threat Intelligence