CVE-2004-0173

Exp

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.

Published: 2004-04-15 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-0173 is rated High Exploit Risk (74.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 52.80%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +7.87% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2004-0173

EDB-ID Source Kind Published Link
23751 exploit_db edb 2004-02-24 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-0173

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-07 44.93% 52.80% +7.87%
2 2026-06-04 52.80% 44.93% -7.87%
3 2026-05-31 52.80%

Full EPSS history (28 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0173

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2004-0173

Affected software / configurations for CVE-2004-0173

Vendor Product Version Raw CPE
apache http_server 0.8.11 cpe:2.3:a:apache:http_server:0.8.11:*:*:*:*:*:*:*
apache http_server 0.8.14 cpe:2.3:a:apache:http_server:0.8.14:*:*:*:*:*:*:*
apache http_server 1.0 cpe:2.3:a:apache:http_server:1.0:*:*:*:*:*:*:*
apache http_server 1.0.2 cpe:2.3:a:apache:http_server:1.0.2:*:*:*:*:*:*:*
apache http_server 1.0.3 cpe:2.3:a:apache:http_server:1.0.3:*:*:*:*:*:*:*
apache http_server 1.0.5 cpe:2.3:a:apache:http_server:1.0.5:*:*:*:*:*:*:*
apache http_server 1.1 cpe:2.3:a:apache:http_server:1.1:*:*:*:*:*:*:*
apache http_server 1.1.1 cpe:2.3:a:apache:http_server:1.1.1:*:*:*:*:*:*:*
apache http_server 1.2 cpe:2.3:a:apache:http_server:1.2:*:*:*:*:*:*:*
apache http_server 1.2.5 cpe:2.3:a:apache:http_server:1.2.5:*:*:*:*:*:*:*
apache http_server 1.3 cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*

References for CVE-2004-0173

cvelogic Threat Intelligence