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7.5
CVE-2000-0900: thttpd lets attackers read any file
CVE-2000-0900 · published 25 years ago
Summary
The thttpd web server (version 2.19 and earlier) can be tricked into revealing files on the server. An attacker can use a special URL pattern to view files that should be private. Update thttpd to a newer version or apply the vendor’s patch to stop this behavior.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| acme_labs | thttpd |
2.16 2.17 2.18 2.19 cpe:2.3:a:acme_labs:thttpd:2.16:*:*:*:*:*:*:* |
Original advisory text
Directory traversal vulnerability in ssi CGI program in thttpd 2.19 and earlier allows remote attackers to read arbitrary files via a "%2e%2e" string, a variation of the .. (dot dot) attack.
Directory traversal vulnerability in ssi CGI program in thttpd 2.19 and earlier allows remote attackers to read arbitrary files via a "%2e%2e" string, a variation of the .. (dot dot) attack.
References
- http://archives.neohapsis.com/archives/bugtraq/2000-10/0025.html Vendor Advisory
- http://www.securityfocus.com/bid/1737 Exploit Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5313
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Severity
7.5
High
Timeline
Published19 Dec 2000
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2000-0900 · NVD
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