CVE-2001-0303

Exp

tstisapi.dll in Pi3Web 1.0.1 web server allows remote attackers to determine the physical path of the server via a URL that requests a non-existent file.

Published: 2001-05-03 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0303 is rated High Exploit Risk (60.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.46%). Core evidence: 2 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-2001-0303

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

Exploit prediction scoring system (EPSS) score for CVE-2001-0303

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 0.62% 1.46% +0.84%
2 2025-03-30 0.94% 0.62% -0.31%
3 2025-03-29 0.94%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0303

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:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-0303

Affected software / configurations for CVE-2001-0303

Vendor Product Version Raw CPE
pi3 pi3web 1.0.1 cpe:2.3:a:pi3:pi3web:1.0.1:*:*:*:*:*:*:*

References for CVE-2001-0303

cvelogic Threat Intelligence