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Vulnerability record · CVE-2004-0173 · published 15 April 2004

CVE-2004-0173: Apache http server vulnerability

Apache · Http Server

Directory traversal vulnerability in Apache 1.3.29 and earlier, and Apache 2.0.48 and earlier, when running on Cygwin, allows remote attackers to read arbitrary files via a URL containing "..%5C" (dot dot encoded backslash) sequences.

5.0 CVSS 2.0 Medium EPSS 16% · top 3.2%
5.0CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Directory traversal vulnerability in Apache 1.3.29 and earlier, and Apache 2.0.48 and earlier, when running on Cygwin, allows remote attackers to read arbitrary files via a URL containing "..%5C" (dot dot encoded backslash) sequences.

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://issues.apache.org/bugzilla/show_bug.cgi?id=26152
http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/017740.html
http://marc.info/?l=bugtraq&m=107765545431387&w=2
http://secunia.com/advisories/10962
http://www.apacheweek.com/issues/04-03-12
http://www.securityfocus.com/bid/9733 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15293
http://issues.apache.org/bugzilla/show_bug.cgi?id=26152
http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/017740.html
http://marc.info/?l=bugtraq&m=107765545431387&w=2
http://secunia.com/advisories/10962
http://www.apacheweek.com/issues/04-03-12
http://www.securityfocus.com/bid/9733 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15293

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2004-0173), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.