CVE-2002-1562

Directory traversal vulnerability in thttpd, when using virtual hosting, allows remote attackers to read arbitrary files via .. (dot dot) sequences in the Host: header.

Published: 2003-05-12 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-1562 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.83%). Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2002-1562

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 2026-03-08 1.95% 1.83% -0.12%
2 2025-09-04 1.61% 1.95% +0.34%
3 2025-03-30 1.61%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1562

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-2002-1562

Affected software / configurations for CVE-2002-1562

Vendor Product Version Raw CPE
acme_labs thttpd cpe:2.3:a:acme_labs:thttpd:*:*:*:*:*:*:*:*

References for CVE-2002-1562

cvelogic Threat Intelligence