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CVE-2002-0935

17
FAUCET Score

CVE-2002-0935 describes a denial-of-service vulnerability affecting Apache Tomcat 4.0.3 and potentially other versions prior to 4.1.3 beta. Remote attackers can exploit this by sending numerous requests containing null characters, causing server threads to hang and leading to resource exhaustion. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and potential for partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.3CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:4.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.85%
Probability of exploitation in next 30 days
EPSS Percentile
94.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0785 is in the 92nd percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 4.1.3-beta

Vendor Advisories (1)

mavenGHSA-xmf4-j3j7-xj7qmedium

Apache Tomcat DoS Via Requests Including Null Characters

Apr 30, 2022

References

archives.neohapsis.com / archives/vulnwatch/2002-q2/0120.html
online.securityfocus.com / archive/1/277940
lists.apache.org / thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E
iss.net / security_center/static/9396.php
PatchVendor Advisory
osvdb.org / 5051
securityfocus.com / bid/5067
PatchVendor Advisory