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Vulnerability record · CVE-2004-2628 · published 31 December 2004

CVE-2004-2628: Acme labs thttpd vulnerability

Acme Labs · Thttpd

Multiple directory traversal vulnerabilities in thttpd 2.07 beta 0.4, when running on Windows, allow remote attackers to read arbitrary files via a URL that contains (1) a hex-encoded backslash dot-dot sequence ("%5C..") or (2) a drive letter (such as "C:").

5.0 CVSS 2.0 Medium EPSS 3.6% · top 10.9%
5.0CVSS 2.0 base score
3.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

Multiple directory traversal vulnerabilities in thttpd 2.07 beta 0.4, when running on Windows, allow remote attackers to read arbitrary files via a URL that contains (1) a hex-encoded backslash dot-dot sequence ("%5C..") or (2) a drive letter (such as "C:").

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/fulldisclosure/2004-08/0097.html
http://marc.info/?l=bugtraq&m=109164010629836&w=2
http://securitytracker.com/alerts/2004/Aug/1010850.html Exploit
http://www.acme.com/software/thttpd/#releasenotes
http://www.osvdb.org/displayvuln.php?osvdb_id=8372 Exploit
http://www.securityfocus.com/bid/10862 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/16882
http://archives.neohapsis.com/archives/fulldisclosure/2004-08/0097.html
http://marc.info/?l=bugtraq&m=109164010629836&w=2
http://securitytracker.com/alerts/2004/Aug/1010850.html Exploit
http://www.acme.com/software/thttpd/#releasenotes
http://www.osvdb.org/displayvuln.php?osvdb_id=8372 Exploit
http://www.securityfocus.com/bid/10862 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/16882

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2000-0359Acme labs thttpd vulnerabilityBuffer overflow in Trivial HTTP (THTTPd) allows remote attackers to cause a denial of service or execute arbitrary commands via a long If-Modified-Si…EPSS 5.5%8.4CVE-2006-1078Acme labs thttpd vulnerabilityMultiple buffer overflows in htpasswd, as used in Acme thttpd 2.25b, and possibly other products such as Apache, might allow local users to gain priv…EPSS 0.54%7.5CVE-2002-0733Acme labs thttpd vulnerabilityCross-site scripting vulnerability in thttpd 2.20 and earlier allows remote attackers to execute arbitrary script via a URL to a nonexistent page, wh…EPSS 8.0%7.5CVE-2000-0900Acme labs thttpd vulnerabilityDirectory traversal vulnerability in ssi CGI program in thttpd 2.19 and earlier allows remote attackers to read arbitrary files via a "%2e%2e" string…EPSS 2.0%7.2CVE-2006-4248Acme labs thttpd vulnerabilitythttpd on Debian GNU/Linux, and possibly other distributions, allows local users to create or touch arbitrary files via a symlink attack on the start…EPSS 0.37%7.2CVE-2006-1079Acme labs thttpd permissions and access controls vulnerabilityhtpasswd, as used in Acme thttpd 2.25b and possibly other products such as Apache, might allow local users to gain privileges via shell metacharacter…EPSS 0.40%5.0CVE-2007-0664Acme labs thttpd vulnerabilitythttpd before 2.25b-r6 in Gentoo Linux is started from the system root directory (/) by the Gentoo baselayout 1.12.6 package, which allows remote att…EPSS 2.9%5.0CVE-2002-1562Acme labs thttpd vulnerabilityDirectory traversal vulnerability in thttpd, when using virtual hosting, allows remote attackers to read arbitrary files via .. (dot dot) sequences i…EPSS 2.8%

Source: NIST National Vulnerability Database (record CVE-2004-2628), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.