Apache before 1.3.20 on Windows and OS/2 systems allows remote attackers to cause a denial of service (GPF) via an HTTP request for a URI that contains a large number of / (slash) or other characters, which causes certain functions to dereference a null pointer
Published Jun 25, 2002
5.0
MEDIUMCVSS 2.0
EPSS 12.01%
Description
Apache before 1.3.20 on Windows and OS/2 systems allows remote attackers to cause a denial of service (GPF) via an HTTP request for a URI that contains a large number of / (slash) or other characters, which causes certain functions to dereference a null pointer.
Affected products
No data.
- 1.3.12
- 1.3.14
- 1.3.15
- 1.3.16
- 1.3.17
- 1.3.18
- 1.3.19
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:N/I:N/A:P
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 | 12.01% (0.12006) | 96.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.01% (0.12006) | 95.58th | v5 (v2026.06.15) |
| Dec 28, 2025 | 7.74% (0.07740) | 91.63th | v4 (v2025.03.14) |
| Dec 27, 2025 | 11.10% (0.11100) | 93.27th | v4 (v2025.03.14) |
| Dec 10, 2025 | 7.74% (0.07740) | 91.60th | v4 (v2025.03.14) |
| May 7, 2025 | 10.15% (0.10153) | 92.68th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.11% (0.09106) | 92.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.55% (0.02551) | 90.59th | v3 (v2023.03.01) |
| Nov 3, 2023 | 1.81% (0.01815) | 86.85th | v3 (v2023.03.01) |
| Apr 23, 2023 | 0.91% (0.00911) | 80.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.88% (0.00881) | 80.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.72% (0.03718) | 85.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.72% (0.03718) | 83.56th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.72% (0.03718) | 66.71th | v2 (v2022.01.01) |
No CWE recorded.
References (12)
- http://bugs.apache.org/index.cgi/full/7522 x_refsource_CONFIRM
- http://marc.info/?l=bugtraq&m=99054258728748&w=2 mailing-listx_refsource_BUGTRAQ
- http://online.securityfocus.com/archive/1/176144 mailing-listx_refsource_BUGTRAQ
- http://www.apacheweek.com/issues/01-05-25 x_refsource_CONFIRM
- http://www.iss.net/security_center/static/6527.php vdb-entryx_refsource_XFPatchVendor Advisory
- http://www.securityfocus.com/bid/2740 vdb-entryx_refsource_BID
- https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
Change history (0)
No recorded changes yet.