The Java Server Pages (JSP) engine in Tomcat allows web page owners to cause a denial of service (engine crash) on the web server via a JSP…

published 2002-08-31 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0925

cvss: 5.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 27.3%; EPSS 27.3% chance of exploitation in 30 days, percentile 98%
public exploits: 1; Exploit-DB

The Java Server Pages (JSP) engine in Tomcat allows web page owners to cause a denial of service (engine crash) on the web server via a JSP page that calls WPrinterJob().pageSetup(null,null).

Timeline

2002-06-12 First public exploit (EDB-21534)
2002-08-31 Published

Exploit prediction

27.31% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-21534 Apache Tomcat 3/4 - JSP Engine Denial of Service dos, 2002-06-12
securityfocus.com http://www.securityfocus.com/bid/4995 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

References

securityfocus.com /bid/4995
vdb-entry, exploit, vendor-advisory
iss.net /security_center/static/9339.php
vdb-entry, vendor-advisory
tomcat.apache.org /security-4.html
archives.neohapsis.com /archives/vulnwatch/2002-q2/0095.html
mailing-list
lists.apache.org /thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
mailing-list
lists.apache.org /thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E
mailing-list
lists.apache.org /thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E
mailing-list

Sources

CVE List CVE-2002-0936
NVD CVE-2002-0936

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary