CVE-2003-0042

Exp

Jakarta Tomcat before 3.3.1a, when used with JDK 1.3.1 or earlier, allows remote attackers to list directories even with an index.html or other file present, or obtain unprocessed source code for a JSP file, via a URL containing a null character.

Published: 2003-02-07 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-0042 is rated High Exploit Risk (64.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 55.83%, 98th 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-2003-0042

EDB-ID Source Kind Published Link
22205 exploit_db edb 2003-01-26 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0042

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 2025-03-30 65.48% 55.83% -9.65%
2 2025-03-29 55.83% 65.48% +9.65%
3 2025-03-17 55.83%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0042

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-2003-0042

GitHub Security Advisory for CVE-2003-0042

GHSA-qfw2-wvrw-mvw4 · Severity: medium · Ecosystem: maven — Jakarta Tomcat Directory Listing vulnerability

Affected software / configurations for CVE-2003-0042

Vendor Product Version Raw CPE
apache tomcat 3.0 cpe:2.3:a:apache:tomcat:3.0:*:*:*:*:*:*:*
apache tomcat 3.1 cpe:2.3:a:apache:tomcat:3.1:*:*:*:*:*:*:*
apache tomcat 3.1.1 cpe:2.3:a:apache:tomcat:3.1.1:*:*:*:*:*:*:*
apache tomcat 3.2 cpe:2.3:a:apache:tomcat:3.2:*:*:*:*:*:*:*
apache tomcat 3.2.1 cpe:2.3:a:apache:tomcat:3.2.1:*:*:*:*:*:*:*
apache tomcat 3.2.3 cpe:2.3:a:apache:tomcat:3.2.3:*:*:*:*:*:*:*
apache tomcat 3.2.4 cpe:2.3:a:apache:tomcat:3.2.4:*:*:*:*:*:*:*
apache tomcat 3.3 cpe:2.3:a:apache:tomcat:3.3:*:*:*:*:*:*:*
apache tomcat 3.3.1 cpe:2.3:a:apache:tomcat:3.3.1:*:*:*:*:*:*:*

References for CVE-2003-0042

cvelogic Threat Intelligence