CVE-2002-0661
HighPublic exploitDirectory traversal vulnerability in Apache 2.0 through 2.0.39 on Windows, OS2, and Netware allows remote attackers to read arbitrary files and execute commands via ..
Published Aug 12, 2002 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2002-0661
Key Facts
Patch immediately- CVE-2002-0661 is a high-severity vulnerability (CVSS 7.5 v2) affecting HTTP Server (Apache), apache2 (debian), rootio-apache2.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 70% probability of exploitation in the next 30 days.
- Fixed versions are available, including apache2 2.0.40, rootio-apache2 2.0.40.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
70%
Higher than 99.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2002-0661 brief as a PDF
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Description
Directory traversal vulnerability in Apache 2.0 through 2.0.39 on Windows, OS2, and Netware allows remote attackers to read arbitrary files and execute commands via .. (dot dot) sequences containing \ (backslash) characters.
Affected Products
25 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| HTTP ServerApache | 2.0, 2.0.28, 2.0.28-beta, 2.0.32, 2.0.32-beta, 2.0.34-beta, 2.0.35, 2.0.36 | n/a |
| apache2debian | See advisory | 2.0.40 |
| rootio-apache2rootio | See advisory | 2.0.40 |
Patched Releases
apache2
2.0.40
rootio-apache2
2.0.40
Timeline
Publicly disclosed
Aug 12, 2002
Last updated
Aug 4, 2026
References
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2002-0661
- patchhttp://httpd.apache.org/info/security_bulletin_20020908a.txt
- exploitExploitDB-21697
- other20020809 Apache 2.0 vulnerability affects non-Unix platforms
- other20020816 Apache 2.0.39 directory traversal and path disclosure bug
FAQ
Common Questions.
Directory traversal vulnerability in Apache 2.0 through 2.0.39 on Windows, OS2, and Netware allows remote attackers to read arbitrary files and execute commands via ..
Affected: HTTP Server (Apache) versions 2.0, 2.0.28, 2.0.28-beta, 2.0.32, 2.0.32-beta, 2.0.34-beta, 2.0.35, 2.0.36; apache2 (debian); rootio-apache2. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including apache2 2.0.40, rootio-apache2 2.0.40.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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