The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information
Published May 9, 2007
7.8
HIGHCVSS 2.0
EPSS 3.47%
Description
The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
Affected products
No data.
- 4.1.15
- 4.1.16
- 4.1.17
- 4.1.18
- 4.1.19
- 4.1.20
- 4.1.21
- 4.1.22
- 4.1.23
- 4.1.24
- 4.1.25
- 4.1.26
- 4.1.27
- 4.1.28
- 4.1.29
- 4.1.29
- 4.1.30
- 4.1.31
- 4.1.32
- 4.1.33
- 4.1.34
- 4.1.35
- 4.1.36
- 4.1.37
- 4.1.39
- 4.1.40
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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.
AV:N/AC:L/Au:N/C:C/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.47% (0.03474) | 88.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.50% (0.03503) | 87.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.75% (0.00753) | 71.47th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00106) | 44.95th | v3 (v2023.03.01) |
| Feb 3, 2024 | 0.10% (0.00104) | 42.28th | v3 (v2023.03.01) |
| Dec 27, 2023 | 0.18% (0.00178) | 55.03th | v3 (v2023.03.01) |
| Nov 19, 2023 | 0.17% (0.00168) | 53.51th | v3 (v2023.03.01) |
| Oct 11, 2023 | 0.16% (0.00161) | 52.42th | v3 (v2023.03.01) |
| May 15, 2023 | 0.17% (0.00170) | 52.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00157) | 50.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.48% (0.01484) | 73.53th | v2 (v2022.01.01) |
| Mar 3, 2023 | 1.48% (0.01484) | 73.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.48% (0.01484) | 71.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.48% (0.01484) | 50.61th | v2 (v2022.01.01) |
References (10)
- http://tomcat.apache.org/security-4.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/28483 vdb-entryx_refsource_BID
- https://github.com/advisories/GHSA-qrcx-p4rr-g48h 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-2005-4836
Change history (0)
No recorded changes yet.