CVE-2006-6684

Heap-based buffer overflow in Pedro Lineu Orso chetcpasswd before 2.4 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long X-Forwarded-For HTTP header. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.

Published: 2006-12-21 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-6684 is rated Moderate Risk (59.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.92%). 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-2006-6684

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 2025-08-09 1.73% 1.92% +0.19%
2 2025-03-30 2.07% 1.73% -0.34%
3 2025-03-29 — 2.07% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6684

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-6684

OS Trackers for CVE-2006-6684

vendor priority summary link
alpine — CVE-2006-6684: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6684

Affected software / configurations for CVE-2006-6684

Vendor Product Version Raw CPE
pedro_lineu_orso chetcpasswd <= 2.3.3 cpe:2.3:a:pedro_lineu_orso:chetcpasswd:*:*:*:*:*:*:*:*
pedro_lineu_orso chetcpasswd 2.3.1 cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.3.1:*:*:*:*:*:*:*

References for CVE-2006-6684

cvelogic Threat Intelligence