UpHeron
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Servers and applications

CVE-2003-0042

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.

Severity
Medium 5.0
Published
7 Feb 2003
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
46% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • Version 3.3.1
  • Version 3.3
  • Version 3.2.4
  • Version 3.2.3
All 9 release lines
  • Version 3.0
  • Version 3.1
  • Version 3.1.1
  • Version 3.2
  • Version 3.2.1
  • Version 3.2.3
  • Version 3.2.4
  • Version 3.3
  • Version 3.3.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2003-0042
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2003-0042