MEDIUM
Apache Tomcat 4.0.3, and possibly other versions before 4.1.3 beta, allows remote attackers to cause a denial of service (resource exhaustion) via a large number of requests to the server with null characters, which causes the working threads to hang
Published Apr 2, 2003
5.0
MEDIUMCVSS 2.0
EPSS 7.85%
Description
Apache Tomcat 4.0.3, and possibly other versions before 4.1.3 beta, allows remote attackers to cause a denial of service (resource exhaustion) via a large number of requests to the server with null characters, which causes the working threads to hang.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
7.85% 0.07854
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.07854
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.85% (0.07854) | 94.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.85% (0.07854) | 93.91th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.45% (0.02448) | 84.10th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.36% (0.01358) | 85.90th | v3 (v2023.03.01) |
| Aug 10, 2024 | 4.73% (0.04728) | 92.77th | v3 (v2023.03.01) |
| Jan 29, 2024 | 2.42% (0.02421) | 88.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.34% (0.02344) | 88.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.21% (0.02210) | 81.16th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.21% (0.02210) | 79.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.21% (0.02210) | 58.05th | v2 (v2022.01.01) |
Weaknesses (1)
References (17)
- http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0120.html mailing-listx_refsource_VULNWATCH
- http://online.securityfocus.com/archive/1/277940 mailing-listx_refsource_BUGTRAQ
- http://www.iss.net/security_center/static/9396.php vdb-entryx_refsource_XFPatchVendor Advisory
- http://www.osvdb.org/5051 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/5067 vdb-entryx_refsource_BIDPatchVendor Advisory
- https://github.com/advisories/GHSA-xmf4-j3j7-xj7q Advisory
- https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3@%3Cdev.tomcat.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2002-0935
- https://web.archive.org/web/20020822030311/http://www.iss.net/security_center/static/9396.php
- https://web.archive.org/web/20021010182017/http://online.securityfocus.com/bid/5067
- https://web.archive.org/web/20021116054924/http://online.securityfocus.com/archive/1/277940
- https://web.archive.org/web/20070525180638/http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0120.html
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 2, 2003
Updated Aug 8, 2024
Reserved Aug 16, 2002
Link CVE-2002-0935
CISA Vulnrichment
GHSA-XMF4-J3J7-XJ7Q Updated n/a